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For the radio station, see WIFI (AM).
Wi-Fi logo
.Wireless Fidelity (Wi-Fi) (pronounced /ˈwaɪfaɪ/) is a trademark of the Wi-Fi Alliance that may be used with certified products that belong to a class of wireless local area network (WLAN) devices based on the IEEE 802.11 standards.^ Categories Applications 802.11 Wireless LAN Solutions Wi-Fi® Phone Solutions .
  • Broadcom.com - Wireless LAN 15 January 2010 3:25 UTC www.broadcom.com [Source type: General]

 ^ Wireless networks using 802.11 standard networks for communication devices.
  • Wifi - A Guide to how does wifi work 15 January 2010 3:25 UTC somewifi.com [Source type: General]

 ^ Are there different Wi-Fi Standards?
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 .Because of the close relationship with its underlying standard, the term Wi-Fi is often used as a synonym for IEEE 802.11 technology.^ Wireless networks using 802.11 standard networks for communication devices.
  • Wifi - A Guide to how does wifi work 15 January 2010 3:25 UTC somewifi.com [Source type: General]

 ^ Are there different Wi-Fi Standards?
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ Wi-fi uses radio signals.
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]

 [1][2]
.The Wi-Fi Alliance is a global, non-profit association of companies that promotes WLAN technology and certifies products if they conform to certain standards of interoperability.^ Any products that are tested and approved as "Wi-Fi Certified" (a registered trademark) by the Wi-Fi Alliance are certified as interoperable with each other, even if they are from different manufacturers.
  • Wi-Fi - Internetnews.com - Webopedia.com 3 February 2010 19:11 UTC inews.webopedia.com [Source type: General]

 ^ Are there different Wi-Fi Standards?
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ Wi - Fi is a standard for 802.11b wireless LAN technology.
  • wi-fi Content at ZDNet UK 15 January 2010 3:25 UTC www.zdnet.co.uk [Source type: General]

 .Not every IEEE 802.11-compliant device is submitted for certification to the Wi-Fi Alliance, sometimes because of costs associated with the certification process, and the lack of the Wi-Fi logo does not necessarily imply a device is incompatible with Wi-Fi devices.^ Wi-Fi does not work under 2.2.
  • Apple - Support - Discussions - 2.2 WiFi disconnect. ... 15 January 2010 5:39 UTC discussions.apple.com [Source type: General]

 ^ Eleven Myths about 802.11 Wi-Fi Networks .
  • Wi-Fi - White Papers, Webcasts and IT downloads - Bitpipe.com 20 September 2009 11:56 UTC www.bitpipe.com [Source type: General]
  • Wi-Fi White Papers, Wi-Fi Webcasts, Wi-Fi Case Studies and Wi-Fi Product Information 20 September 2009 11:56 UTC pcpro.bitpipe.com [Source type: General]

 ^ IEEE. So look on the box for the seal of certification from the Wi-Fi Alliance.
  • Wireless (WiFi) Router Buying Guide - Reviews by PC Magazine 15 January 2010 3:25 UTC www.pcmag.com [Source type: General]
.Today, an IEEE 802.11 device is installed in many personal computers, video game consoles, smartphones, printers, and other peripherals, and virtually all laptop or palm-sized computers.^ Install the End point Client on all other computers on the Network.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ Many personal computers have firewall protection built in today.
  • Optimum Online - WiFi - FAQ 15 January 2010 5:39 UTC www.optimum.net [Source type: General]

 ^ Wi-Fi is supported by many applications and devices including video game consoles , home networks , PDAs , mobile phones , major operating systems , and other types of consumer electronics .
  • Wi-Fi - Internetnews.com - Webopedia.com 3 February 2010 19:11 UTC inews.webopedia.com [Source type: General]
Common consumer-quality Wi-Fi access point

Contents

Uses

Internet access

A roof mounted Wi-Fi antenna
.A Wi-Fi enabled device such as a personal computer, video game console, mobile phone, MP3 player or personal digital assistant can connect to the Internet when within range of a wireless network connected to the Internet.^ Phone and iPod touch: Troubleshooting Wi-Fi networks and connections .
  • iPhone and iPod touch: Troubleshooting Wi-Fi networks and connections 15 January 2010 3:25 UTC support.apple.com [Source type: General]

 ^ This video demonstrates how to connect a PSP to a home wireless network.
  • Wifi « Wonder How To 3 February 2010 19:11 UTC www.wonderhowto.com [Source type: FILTERED WITH BAYES]

 ^ Wi-Fi also allows connectivity in peer-to-peer mode, which enables devices to connect directly with each other.

 .The coverage of one or more interconnected access points — called a hotspot — can comprise an area as small as a few rooms or as large as many square miles covered by a group of access points with overlapping coverage.^ Can we have more than one access point?

 ^ The region covered by one or several access points is called a hotspot.

 ^ Hotspots can range from a single room to many square miles of overlapping hotspots.

 .Wi-Fi technology has been used in wireless mesh networks, for example, in London.^ The wireless home networking is useful too.
  • Wifi - A Guide to how does wifi work 15 January 2010 3:25 UTC somewifi.com [Source type: General]

 ^ Connects over the last Wi-Fi network you used that's available.
  • iPhone: Connecting to the Internet 15 January 2010 3:25 UTC support.apple.com [Source type: General]

 ^ Wi-Fi is the abbreviation for Wireless Fidelity.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 [3]
.In addition to private use in homes and offices, Wi-Fi can provide public access at Wi-Fi hotspots provided either free of charge or to subscribers to various commercial services.^ Add additional Wi-Fi access points (to increase coverage) .
  • Wi-Fi How To - Wireless Wiki 3 February 2010 19:11 UTC wireless.wikia.com [Source type: General]

 ^ I always use the free wi-fi at Westfield in SHepherd's Bush.
  • Free Wifi in London...Mapped - Londonist 15 January 2010 3:25 UTC londonist.com [Source type: FILTERED WITH BAYES]

 ^ We have provided the necessary connection information for you to access this free service.
  • Community Transit: Surf and Ride Wi-Fi Service 3 February 2010 19:11 UTC www.commtrans.org [Source type: General]

 .Organizations and businesses such as airports, hotels and restaurants often provide free hotspots to attract or assist clients.^ Through a partnership with many of the providers that already power most airport wifi, albeit for a fee, Google is making wifi free at 47 airports through January 15, 2010.

 ^ I would never have suspect the race to free up service in big airports, because reports are clear that it's a revenue-positive business, and there's a captive audience.

 ^ The number of public "hotspots" is growing rapidly, allowing wireless connectivity in many airports, hotels, college campuses, public areas, and restaurants.

 .Enthusiasts or authorities who wish to provide services or even to promote business in selected areas sometimes provide free Wi-Fi access.^ We have provided the necessary connection information for you to access this free service.
  • Community Transit: Surf and Ride Wi-Fi Service 3 February 2010 19:11 UTC www.commtrans.org [Source type: General]

 ^ Google to provide free Wi-Fi in US airports this Christmas .
  • Latest Wi-Fi news, reviews, photos and video - Pocket-lint 15 January 2010 5:39 UTC www.pocket-lint.com [Source type: General]

 ^ WI-FI is free, but unsecured.
  • Free WiFi Locations, Free WiFi Places and Free WiFi Hotspots 15 January 2010 3:25 UTC www.rverscomputerhelp.com [Source type: General]

 .As of 2008 there are more than 300 metropolitan-wide Wi-Fi (Muni-Fi) projects in progress.^ More guides Wi-Fi User's Guide .
  • Hotspot Finder - Wi-Fi Hotspots - Wireless Hotspots - Worldwide Hotspot Directory 15 January 2010 3:25 UTC usatoday.jiwire.com [Source type: General]

 ^ Are there different Wi-Fi Standards?
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ But there's no stopping Wi Fi.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 [4] There were 879 Wi-Fi based Wireless Internet service providers in the Czech Republic as of May 2008.[5][6]
.Routers that incorporate a digital subscriber line modem or a cable modem and a Wi-Fi access point, often set up in homes and other premises, provide Internet-access and internetworking to all devices connected (wirelessly or by cable) to them.^ Add additional Wi-Fi access points (to increase coverage) .
  • Wi-Fi How To - Wireless Wiki 3 February 2010 19:11 UTC wireless.wikia.com [Source type: General]

 ^ Increased number of Network Devices: You are increasing the number of devices on your Network, by incorporating a Wi-Fi Access point (this is a must, for Wi-Fi access).
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ Use a wireless router as a wireless access point .
  • Wi-Fi How To - Wireless Wiki 3 February 2010 19:11 UTC wireless.wikia.com [Source type: General]

 .One can also connect Wi-Fi devices in ad hoc mode for client-to-client connections without a router.^ Wi-Fi also allows connectivity in peer-to-peer mode, which enables devices to connect directly with each other.

 ^ Improved wi-fi connectivity .
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]

 ^ WRT610N Wi-Fi router .
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 .Wi-Fi also enables places that would traditionally not have network to be connected, for example bathrooms, kitchens and garden sheds.^ Phone and iPod touch: Troubleshooting Wi-Fi networks and connections .
  • iPhone and iPod touch: Troubleshooting Wi-Fi networks and connections 15 January 2010 3:25 UTC support.apple.com [Source type: General]

 ^ Problems faced by a Wi-Fi network… 1.

 ^ Improved wi-fi connectivity .
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]

City-wide Wi-Fi

Further information: Municipal wireless network
A municipal wireless antenna in Minneapolis
.In the early 2000s, many cities around the world announced plans for a city wide Wi-Fi network.^ Wi-Fi networks have limited range.

 ^ Problems faced by a Wi-Fi network… 1.

 ^ Cities find Wi-Fi future .
  • Wireless Technology: News & Videos about Wireless Technology - CNN.com 15 January 2010 3:25 UTC topics.cnn.com [Source type: News]

 .This proved to be much more difficult than their promoters initially envisioned with the result that most of these projects were either canceled or placed on indefinite hold.^ Unfortunately, the kind of people who break into networks are usually much smarter than garden-variety thieves, and as a result, the security measures you must take are commensurately more complicated.
  • Wi-Fi Security for Macintosh: Take Control of Your Wi-Fi Security 3 February 2010 19:11 UTC www.takecontrolbooks.com [Source type: General]

 ^ While testing the project at their studio in Valencia, they couldn't find more than 5% of open networks.

 ^ It's true that WiMAX is much more a command and control protocol than WiFi.
  • WiMAX vs. WiFi 15 January 2010 3:25 UTC www.circleid.com [Source type: FILTERED WITH BAYES]

 .A few were successful, for example in 2005, Sunnyvale, California became the first city in the United States to offer city wide free Wi-Fi.^ Starbucks offers free Wi-Fi for card holders .
  • Latest Wi-Fi news, reviews, photos and video - Pocket-lint 15 January 2010 5:39 UTC www.pocket-lint.com [Source type: General]

 ^ Denver airport offering free 802.11n Wi-Fi .
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ Phones4U stores to offer free Wi-Fi .
  • Latest Wi-Fi news, reviews, photos and video - Pocket-lint 15 January 2010 5:39 UTC www.pocket-lint.com [Source type: General]

 [7] .Few of the Municipal Wi-Fi firms have now entered into the field of Smart grid networks.^ Wi-Fi networks have limited range.

 ^ The job now is to build Wi-Fi into a solid pillar of the networked world.
  • BW Online | April 28, 2003 | Wi-Fi Means Business 15 January 2010 3:25 UTC www.businessweek.com [Source type: News]

 ^ Problems faced by a Wi-Fi network… 1.

 [8]

Campus-wide Wi-Fi

.Carnegie Mellon University built the first wireless Internet network in the world at their Pittsburgh campus in 1994, long before the Wi-Fi standard was adopted.^ Are there different Wi-Fi Standards?
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ To date, Wi-Fi has grown on the scruffy fringes of the networked world.
  • BW Online | April 28, 2003 | Wi-Fi Means Business 15 January 2010 3:25 UTC www.businessweek.com [Source type: News]

 ^ Wi-Fi can also be used to create a Wireless mesh network.

 [9]

Direct computer-to-computer communications

.Wi-Fi also allows communications directly from one computer to another without the involvement of an access point.^ Add additional Wi-Fi access points (to increase coverage) .
  • Wi-Fi How To - Wireless Wiki 3 February 2010 19:11 UTC wireless.wikia.com [Source type: General]

 ^ Can we have more than one access point?

 ^ However with Wi-Fi, you can get Internet access on any number of Computers.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 .This is called the ad-hoc mode of Wi-Fi transmission.^ This not your normal ad-hoc Wi-Fi.

 ^ The industry body called Wi-Fi Alliance is responsible for promoting Wi-Fi along with various other wireless technology standards.
  • Wifi-soft - Leader in Hotspot Management and Billing Solutions 3 February 2010 19:11 UTC www.wifi-soft.com [Source type: General]

 ^ Wi-Fi PAN takes advantage of the increasing Wi-Fi performance and decreasing power and cost to add PAN functionality to Wi-Fi devices without adding cost or impacting WLAN connectivity.

 .This wireless ad-hoc network mode has proven popular with multiplayer handheld game consoles, such as the Nintendo DS, digital cameras, and other consumer electronics devices.^ This connectivity mode is useful in consumer electronics and gaming applications.

 ^ Other issues (such as rebates, warranties, returns after 30 days of purchase, software/instructions downloads or replacements) should also be directed to the manufacturer or POS for that device.

 ^ With an increasing number of mobile phones and handhelds supporting Wi-Fi, our investment in Icomera’s Moovbox enables students to check email, surf the web, and play peer-to-peer games on devices like the Sony PSP and Nintendo DS – all free of charge.

 .A similar method is a new specification called Wi-Fi Direct which is promoted by the Wi-Fi Alliance for file transfers and media sharing through a new discovery and security methodology.^ Wi-fi alliance unveils media streaming quality tech .

 ^ Wi-Fi , also, WiFi , Wi-fi or wifi , is a brand originally licensed by the Wi-Fi Alliance to describe the underlying technology of wireless local area networks (WLAN) based on the IEEE 802.11 specifications.

 ^ The Eye-Fi is a secure digital (SD) format memory card with Wi-Fi (802.11g, 54mbps) that can wirelessly send photos from a digital camera to a computer or photo sharing service of your choice.
  • Wi-Fi - Digital Photography Tips and Techniques 3 February 2010 19:11 UTC dptnt.com [Source type: General]

 [10]

Future directions

.As of 2010 Wi-Fi technology had spread widely within business and industrial sites.^ Focused mostly on wi-fi business and technology.

 ^ Business travelers spurn Wi-Fi .
  • Wireless Technology: News & Videos about Wireless Technology - CNN.com 15 January 2010 3:25 UTC topics.cnn.com [Source type: News]

 ^ Ask for a wi-fi site.
  • Free WiFi Locations, Free WiFi Places and Free WiFi Hotspots 15 January 2010 3:25 UTC www.rverscomputerhelp.com [Source type: General]

 .In business environments, just like other environments, increasing the number of Wi-Fi access-points provides redundancy, support for fast roaming and increased overall network-capacity by using more channels or by defining smaller cells.^ Add additional Wi-Fi access points (to increase coverage) .
  • Wi-Fi How To - Wireless Wiki 3 February 2010 19:11 UTC wireless.wikia.com [Source type: General]

 ^ Increased number of Network Devices: You are increasing the number of devices on your Network, by incorporating a Wi-Fi Access point (this is a must, for Wi-Fi access).
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ Wi-fi uses radio signals.
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]

 .Wi-Fi enables wireless voice-applications (VoWLAN or WVOIP).^ Wi-Fi The wireless version of Ethernet.
  • wi-fi Discussion threads | ZDNet 20 September 2009 11:56 UTC updates.zdnet.com [Source type: General]

 ^ Wi-Fi is the abbreviation for Wireless Fidelity.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ The advantages of Wi-Fi do not stop at 'wirelessness'.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 .Over the years, Wi-Fi implementations have moved toward "thin" access-points, with more of the network intelligence housed in a centralized network appliance, relegating individual access-points to the role of mere "dumb" radios.^ Wi-fi uses radio signals.
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]

 ^ Can we have more than one access point?

 ^ Wi-Fi networks have limited range.

 Outdoor applications may utilize true mesh topologies. .As of 2007 Wi-Fi installations can provide a secure computer networking gateway, firewall, DHCP server, intrusion detection system, and other functions.^ CNNMoney: Think all Wi-Fi networks are secure?
  • Wireless Technology: News & Videos about Wireless Technology - CNN.com 15 January 2010 3:25 UTC topics.cnn.com [Source type: News]

 ^ Is Ponca City Wi-Fi a secure network?

 ^ Home Wi-Fi networks can connect multiple computers to each other, to peripherals, and to the Internet.
  • Wi Fi 15 January 2010 3:25 UTC home.att.net [Source type: General]

History

.Wi-Fi uses both single-carrier direct-sequence spread spectrum radio technology (part of the larger family of spread spectrum systems) and multi-carrier orthogonal frequency-division multiplexing (OFDM) radio technology.^ Wi-Fi uses both single carrier direct-sequence spread spectrum radio technology, part of the larger family of spread spectrum systems and multi-carrier OFDM (Orthogonal Frequency Division Multiplexing) radio technology.

 ^ Bluetooth and WiFi are both radio technologies, but they differ in the frequencies and protocols that they use.
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]

 ^ Wi-Fi vs. Amateur radio .

 .The deregulation of certain radio-frequencies for unlicensed spread spectrum deployment enabled the development of Wi-Fi products, its onetime competitor HomeRF, Bluetooth, and many other products such as some types of cordless telephones.^ Wi-Fi type .
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ HomeRF spread spectrum frequency hopping network .
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ Wi-fi uses radio signals.
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]
.Unlicensed spread spectrum was first made available in the US by the FCC in rules adopted on May 9, 1985[11] and these FCC regulations were later copied with some changes in many other countries enabling use of this technology in all major countries.^ While some of these are free to use, others charge a fee.

 ^ Many new cordless phones use spread spectrum techniques.
  • Cybertelecom :: Part 15 Unlicensed : WiFi 3 February 2010 19:11 UTC www.cybertelecom.org [Source type: FILTERED WITH BAYES]

 ^ Press Release , FCC 3/11/2005 FCC Adopts Rule Changes for Smart Radios.
  • Cybertelecom :: Part 15 Unlicensed : WiFi 3 February 2010 19:11 UTC www.cybertelecom.org [Source type: FILTERED WITH BAYES]

 The FCC action was proposed by Michael Marcus of the FCC staff in 1980 and the subsequent regulatory action took 5 more years. .It was part of a broader proposal to allow civil use of spread spectrum technology and was opposed at the time by mainstream equipment manufacturers and many radio system operators.^ Part 15 spread spectrum equipment authorizations).
  • Cybertelecom :: Part 15 Unlicensed : WiFi 3 February 2010 19:11 UTC www.cybertelecom.org [Source type: FILTERED WITH BAYES]

 ^ Many new cordless phones use spread spectrum techniques.
  • Cybertelecom :: Part 15 Unlicensed : WiFi 3 February 2010 19:11 UTC www.cybertelecom.org [Source type: FILTERED WITH BAYES]

 ^ IEEE's technical name for wireless networks; the brand name used for products is Wi-Fi which encompasses many different types of 802.11 technology.
  • Wireless (WiFi) Router Buying Guide - Reviews by PC Magazine 15 January 2010 3:25 UTC www.pcmag.com [Source type: General]

 [12]
Half-size ISA 2.4 GHz WaveLAN card by AT&T
.Wi-Fi technology has its origins in a 1985 ruling by the U.S. Federal Communications Commission that released several bands of the radio spectrum for unlicensed use.^ Wi-fi uses radio signals.
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]

 ^ T he m ain difference between cellular technology and Wi-Fi is that cellular system use licensed spectrum, and Wi-Fi is implemented in unlicensed bands.

 ^ Wi-Fi is a wire-free networking standard that uses unlicensed radio spectrum.
  • Ireland WiFi Hotspots ( Wireless Broadband ) Internet Access in Ireland 802.11b - hotels, stations, airports, etc 15 January 2010 3:25 UTC www.lookintoireland.com [Source type: General]

 [13] .The precursor to the common Wi-Fi system was invented in 1991 by NCR Corporation/AT&T (later Lucent Technologies & Agere Systems) in Nieuwegein, the Netherlands.^ IEEE's technical name for wireless networks; the brand name used for products is Wi-Fi which encompasses many different types of 802.11 technology.
  • Wireless (WiFi) Router Buying Guide - Reviews by PC Magazine 15 January 2010 3:25 UTC www.pcmag.com [Source type: General]

 ^ A wild card is the possible overlap between Wi-Fi and the multibillion-dollar project for a high-speed cellular system known as Third Generation.
  • BW Online | April 28, 2003 | Wi-Fi Means Business 15 January 2010 3:25 UTC www.businessweek.com [Source type: News]

 ^ The industry body called Wi-Fi Alliance is responsible for promoting Wi-Fi along with various other wireless technology standards.
  • Wifi-soft - Leader in Hotspot Management and Billing Solutions 3 February 2010 19:11 UTC www.wifi-soft.com [Source type: General]

 .It was initially intended for cashier systems; the first wireless products were brought on the market under the name WaveLAN with speeds of 1 Mbit/s to 2 Mbit/s.^ IEEE's technical name for wireless networks; the brand name used for products is Wi-Fi which encompasses many different types of 802.11 technology.
  • Wireless (WiFi) Router Buying Guide - Reviews by PC Magazine 15 January 2010 3:25 UTC www.pcmag.com [Source type: General]

 ^ Due to the high demand of wireless products and expensive retail price in the market, we decide to sell on eBay to attract more customers and provide best price to our customers.
  • eBay Store - WIFI USA: WIFI USB Adaptor Antenna, Cable Assemblies Pigtails, WIFI Panel Antenna 15 January 2010 3:25 UTC stores.ebay.com [Source type: FILTERED WITH BAYES]

 ^ Sprint will “embrace” Wi-Fi in all its “major devices”, Jeff Clemow, director of business product marketing for Sprint told Fierce Wireless .
  • Wi-Fi | Gadget Lab | Wired.com 15 January 2010 3:25 UTC www.wired.com [Source type: General]

 .Vic Hayes, who held the chair of IEEE 802.11 for 10 years and has been named the "father of Wi-Fi," was involved in designing standards such as IEEE 802.11b, and 802.11a.^ Are there different Wi-Fi Standards?
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ This includes IEEE 802.11a, 802.11b, 802.11g and upcoming 802.11 technologies.

 ^ Eleven Myths about 802.11 Wi-Fi Networks .
  • Wi-Fi - White Papers, Webcasts and IT downloads - Bitpipe.com 20 September 2009 11:56 UTC www.bitpipe.com [Source type: General]
.Key portions of the IEEE 802.11 technology underlying Wi-Fi (in its a, g, and n varieties) were determined to be infringing on U.S. Patent 5,487,069, which was filed in 1993[14] by CSIRO, an Australian research body.^ Eleven Myths about 802.11 Wi-Fi Networks .
  • Wi-Fi - White Papers, Webcasts and IT downloads - Bitpipe.com 20 September 2009 11:56 UTC www.bitpipe.com [Source type: General]

 ^ Wikipedia:IEEE 802.11#Channels and international compatibility Wi-Fi Hardware .
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ Wi-Fi , also, WiFi , Wi-fi or wifi , is a brand originally licensed by the Wi-Fi Alliance to describe the underlying technology of wireless local area networks (WLAN) based on the IEEE 802.11 specifications.

 .The patent has been the subject of protracted and ongoing legal battles between CSIRO and major IT corporations.^ There are still ongoing patent battles surrounding both WiFi and WiMax .
  • Wifi stories at Techdirt Wireless. 15 January 2010 3:25 UTC techdirt.com [Source type: General]

 .In 2009, the CSIRO settled with 14 companies, including Hewlett-Packard, Intel, Dell, Toshiba, ASUS, Microsoft and Nintendo, under confidential terms.^ DELL ) laptop and 70% of Hewlett-Packard Co.'s ( HPQ ) consumer offerings will be Wi-Fi-ready.
  • BW Online | April 28, 2003 | Wi-Fi Means Business 15 January 2010 3:25 UTC www.businessweek.com [Source type: News]

 ^ Verizon Wireless will start selling Netbook computers from Hewlett-Packard starting May 17, the company said in a statement released Thursday.
  • Wireless Technology: News & Videos about Wireless Technology - CNN.com 15 January 2010 3:25 UTC topics.cnn.com [Source type: News]

 The revenue arising from these settlements to October 2009 is approximately AU$200 million. [15][16][17][18][19][20]
.Europe leads overall in uptake of wireless-phone technology but the US leads in Wi-Fi systems partly because they lead in laptop usage.^ Panasonic Wi-fi Phone for Skype .

 ^ Panasonic Wi-fi Phone - PANKXWP1050 .

 ^ Wi-fi phones .
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]

 .As of July 2005, there were at least 68,643 Wi-Fi locations worldwide, a majority in the US, then the UK and Germany.^ Are there different Wi-Fi Standards?
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ BT Wi-Fi for UK iPhone .
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ But there's no stopping Wi Fi.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 .The US and Western Europe make up about 80% of the worldwide Wi-Fi users.^ More guides Wi-Fi User's Guide .
  • Hotspot Finder - Wi-Fi Hotspots - Wireless Hotspots - Worldwide Hotspot Directory 15 January 2010 3:25 UTC usatoday.jiwire.com [Source type: General]

 ^ Wi-Fi users should have the following: .
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ Wi-Fi equipment users).

 .Plans are underway in areas of the US to provide public Wi-Fi coverage as a public free service.^ Categories: Internet service , Wi-Fi .

 ^ CNNMoney: Looking for Wi-Fi service?
  • Wireless Technology: News & Videos about Wireless Technology - CNN.com 15 January 2010 3:25 UTC topics.cnn.com [Source type: News]

 ^ Freerunner to bring free Wi-Fi - public hotspots for all .
  • Wi-Fi: Tech Digest 15 January 2010 3:25 UTC www.techdigest.tv [Source type: General]

 .Even with these large numbers and more expansion, the extent of actual Wi-Fi usage is lower than expected.^ More guides Wi-Fi User's Guide .
  • Hotspot Finder - Wi-Fi Hotspots - Wireless Hotspots - Worldwide Hotspot Directory 15 January 2010 3:25 UTC usatoday.jiwire.com [Source type: General]

 ^ High-speed networks and unlimited rate plans make cellular data a compelling companion for Wi-Fi -- even a substitute.
  • Hotspot Finder - Wi-Fi Hotspots - Wireless Hotspots - Worldwide Hotspot Directory 15 January 2010 3:25 UTC usatoday.jiwire.com [Source type: General]

 ^ In my previous home, I couldn’t get a decent connection over Wi-Fi to my PS3 or Wii, even when the devices were literally inside the same room as the router.
  • Wi-Fi on I4U News 20 September 2009 11:56 UTC www.i4u.com [Source type: General]

 .Jupiter Research found that only 15% of people have used Wi-Fi and only 6% in a public place.^ Wi-fi uses radio signals.
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]

 ^ Our office has only 15 people—can we afford the best Wi-Fi security?
  • Wi-Fi Security for Macintosh: Take Control of Your Wi-Fi Security 3 February 2010 19:11 UTC www.takecontrolbooks.com [Source type: General]

 ^ IEEE's technical name for wireless networks; the brand name used for products is Wi-Fi which encompasses many different types of 802.11 technology.
  • Wireless (WiFi) Router Buying Guide - Reviews by PC Magazine 15 January 2010 3:25 UTC www.pcmag.com [Source type: General]

 [21]

Wi-Fi certification

Main article: Wi-Fi Alliance
.Wi-Fi technology is based on IEEE 802.11 standards.^ Are there different Wi-Fi Standards?
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ The next Wi-Fi Standard was the 802.11b and the one after that, the 802.11g Standard.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ The IEEE has begun voting on the 802.11ac Wi-Fi standard recently.
  • Wi-Fi - Gizmodo 15 January 2010 3:25 UTC gizmodo.com [Source type: General]

 .The IEEE develops and publishes these standards, but does not test equipment for compliance with them.^ (See Wi-Fi CERTIFIED™ - "The certification standard designating IEEE 802.11-based wireless local area network (WLAN) products that have passed interoperability testing requirements developed and governed by the Wi-Fi Alliance."

 ^ "These devices may not be imported and/or marketed until they have shown compliance with the technical standards which have been specified by the Commission.
  • Cybertelecom :: Part 15 Unlicensed : WiFi 3 February 2010 19:11 UTC www.cybertelecom.org [Source type: FILTERED WITH BAYES]

 .The non-profit Wi-Fi Alliance was formed in 1999 to fill this void — to establish and enforce standards for interoperability and backward compatibility, and to promote wireless local area network technology.^ Are there different Wi-Fi Standards?
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ Wi-Fi is the abbreviation for Wireless Fidelity.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ Wi-Fi is a global set of standards.

 .Today the Wi-Fi Alliance consists of more than 300 companies from around the world.^ More guides Wi-Fi User's Guide .
  • Hotspot Finder - Wi-Fi Hotspots - Wireless Hotspots - Worldwide Hotspot Directory 15 January 2010 3:25 UTC usatoday.jiwire.com [Source type: General]

 ^ And as more companies pile in, prices for Wi-Fi equipment are plummeting.
  • BW Online | April 28, 2003 | Wi-Fi Means Business 15 January 2010 3:25 UTC www.businessweek.com [Source type: News]

 ^ Wi-Fi products certified by the Wi-Fi Alliance have met rigorous interoperability testing requirements to ensure that different products from different manufacturers will work together.
  • Wi-Fi ZONE™ Finder 15 January 2010 3:25 UTC wi-fi.jiwire.com [Source type: News]

 [22][23] .Manufacturers with membership in the Wi-Fi Alliance, whose products pass the certification process, are permitted to mark those products with the Wi-Fi logo.^ Wi-Fi® is a registered trademark of the Wi-Fi Alliance.
  • JiWire Global Wi-Fi Finder 15 January 2010 3:25 UTC www.jiwire.com [Source type: News]

 ^ The industry body called Wi-Fi Alliance is responsible for promoting Wi-Fi along with various other wireless technology standards.
  • Wifi-soft - Leader in Hotspot Management and Billing Solutions 3 February 2010 19:11 UTC www.wifi-soft.com [Source type: General]

 ^ Wi-Fi Alliance Knowledge Center Whether you are a consumer, an enterprise IT manager, or a member of the press, this page will give you access to the detailed Wi-Fi information you seek.
.Specifically, the certification process requires conformance to the IEEE 802.11 radio standards, the WPA and WPA2 security standards, and the EAP authentication standard.^ Wi-Fi , also, WiFi , Wi-fi or wifi , is a brand originally licensed by the Wi-Fi Alliance to describe the underlying technology of wireless local area networks (WLAN) based on the IEEE 802.11 specifications.

 ^ The IEEE (Institute of Electrical and Electronic Engineers), a non-profit organization, has been working on proposals to introduce the extremely high throughput 802.11ac and 802.11ad standards.
  • Wi-Fi | Gadget Lab | Wired.com 15 January 2010 3:25 UTC www.wired.com [Source type: General]

 ^ Did re-install # Wireless Security job WPA, WPA2, WEP # Call form Cynthia and Mitch .

 .Certification may optionally include tests of IEEE 802.11 draft standards, interaction with cellular phone technology in converged devices, and features relating to security set-up, multimedia, and power saving.^ Wi-Fi , also, WiFi , Wi-fi or wifi , is a brand originally licensed by the Wi-Fi Alliance to describe the underlying technology of wireless local area networks (WLAN) based on the IEEE 802.11 specifications.

 ^ The IEEE (Institute of Electrical and Electronic Engineers), a non-profit organization, has been working on proposals to introduce the extremely high throughput 802.11ac and 802.11ad standards.
  • Wi-Fi | Gadget Lab | Wired.com 15 January 2010 3:25 UTC www.wired.com [Source type: General]

 ^ They have added the latest details relating to Mac OS X 10.5 Leopard, current recommendations for setting up WPA and WPS security, and steps for configuring guest networking with Apple's recently released base stations.
  • Wi-Fi Security for Macintosh: Take Control of Your Wi-Fi Security 3 February 2010 19:11 UTC www.takecontrolbooks.com [Source type: General]

 [24]

The Wi-Fi name

.The term Wi-Fi suggests Wireless Fidelity, compared with the long-established audio equipment certification term High Fidelity or Hi-Fi.^ Wi-Fi is the abbreviation for Wireless Fidelity.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ Long-distance Wi-Fi link.

 ^ The advantages of Wi-Fi do not stop at 'wirelessness'.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 .Wireless Fidelity has often been used, even by the Wi-Fi Alliance itself in its press releases[25][26] and documents;[27][28] the term may also be found in a white paper on Wi-Fi from ITAA.^ Wi-fi uses radio signals.
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]

 ^ Wi-Fi is the abbreviation for Wireless Fidelity.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ The advantages of Wi-Fi do not stop at 'wirelessness'.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 [29] .However, based on Phil Belanger's[30] statement, the term Wi-Fi was never supposed to mean anything at all.^ Virgin has been offering in-flight Wi-Fi on all of its flights since May , but prices for the convenience of checking Twitter at 30,000 feet have probably stopped some passengers in their tracks.
  • Wi Fi — Switched 3 February 2010 19:11 UTC www.switched.com [Source type: General]

 ^ Has anyone else noticed that for an area that is supposed to be a business centre of London there is very little Wi-Fi in Canary Wharf?
  • Free Wifi in London...Mapped - Londonist 15 January 2010 3:25 UTC londonist.com [Source type: FILTERED WITH BAYES]

 ^ All in all worth 20 minutes of work for the sake of wi-fi.

 [31][32]
.The term Wi-Fi, first used commercially in August 1999,[33] was coined by a brand consulting firm called Interbrand Corporation that had been hired by the Alliance to determine a name that was "a little catchier than 'IEEE 802.11b Direct Sequence'."[34][31][32] Mr Belanger also said, Interbrand invented Wi-Fi as a play on words with Hi-Fi, and also created the yin yang-style Wi-Fi logo.^ Wi-fi uses radio signals.
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]

 ^ The next Wi-Fi Standard was the 802.11b and the one after that, the 802.11g Standard.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ Wi-Fi , also, WiFi , Wi-fi or wifi , is a brand originally licensed by the Wi-Fi Alliance to describe the underlying technology of wireless local area networks (WLAN) based on the IEEE 802.11 specifications.

 .The term Wireless Fidelity was used later as an explanation of what Wi-Fi means.^ Wi-fi uses radio signals.
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]

 ^ Wireless fidelity” (“Wi-Fi”) is the most commonly used wireless Internet standard today.
  • Cybertelecom :: Part 15 Unlicensed : WiFi 3 February 2010 19:11 UTC www.cybertelecom.org [Source type: FILTERED WITH BAYES]

 ^ Wi-Fi is the abbreviation for Wireless Fidelity.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]
.The Wi-Fi Alliance initially used an advertising slogan for Wi-Fi, "The Standard for Wireless Fidelity",[31] but later removed the phrase from their marketing.^ Are there different Wi-Fi Standards?
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ Wi-fi uses radio signals.
  • Wi-Fi Information and Advice 15 January 2010 3:25 UTC www.filesaveas.com [Source type: General]

 ^ Wireless fidelity” (“Wi-Fi”) is the most commonly used wireless Internet standard today.
  • Cybertelecom :: Part 15 Unlicensed : WiFi 3 February 2010 19:11 UTC www.cybertelecom.org [Source type: FILTERED WITH BAYES]

 .Despite this, some documents from the Alliance dated 2003 and 2004 still contain the term Wireless Fidelity.^ Despite some overlap between the two projects, wireless providers and siting council officials said each has its own strengths.

 ^ Lake Ontario, Canada : It might not have the sizzling temperatures of other beaches on this list but it does have a wireless network dating back to 2003.
  • Top 10 beaches with WiFi internet access | Geek About 15 January 2010 3:25 UTC www.geekabout.com [Source type: General]

 ^ The project would be bigger than any other municipal system in the country to date, though some systems still being proposed elsewhere would be comparable or larger.

 [27][28] .There was no official statement related to the dropping of the term.^ In terms of the two important parameters - namely Connection Speed and Signal Strength, there is no difference between Integrated devices and separate devices.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ Technology wise all of the above are Independent types of hardware each type using its own technology and there is No relations between them as far as proper computer functions goes.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ We ended up getting the PetSafe wireless system yesterday and in 5 minutes the system was completely setup and there’s no problems with dropped signals through walls, etc.
The yin yang logo indicates that a product had been certified for interoperability.[27]

Advantages and challenges

A keychain size Wi-Fi detector.

Operational advantages

.Wi-Fi allows local area networks (LANs) to be deployed without wires for client devices, typically reducing the costs of network deployment and expansion.^ Wi-Fi networks have limited range.

 ^ Service allows users to make calls on Wi-Fi network .
  • Wireless Technology: News & Videos about Wireless Technology - CNN.com 15 January 2010 3:25 UTC topics.cnn.com [Source type: News]

 ^ Local Area Networking 32 Documents .

 .Spaces where cables cannot be run, such as outdoor areas and historical buildings, can host wireless LANs.^ Spaces where cables cannot be run, such as outdoor areas and historical buildings, can host wireless LANs.

 ^ But in much of the area where the network is up and running, it does work, at least for outdoor users.

 ^ This can be a problem in high-density areas, such as large apartment complexes or office buildings with many Wi-Fi access points.
.Wireless network adapters are now built into most laptops.^ As of 2007 wireless network adapters are built into most modern laptops.

 ^ The NonStop Wireless Networking, a Belden brand, has been installed in 140 different access points within the hotel we assume that means that most or all of the guest rooms now have WiFi.
  • International Hotel WiFi || HotelChatter 15 January 2010 3:25 UTC www.hotelchatter.com [Source type: General]

 ^ The raw speed reported by your wireless network adapter is not necessarily a reliable indicator of actual raw speed.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 .The price of chipsets for Wi-Fi continues to drop, making it an economical networking option included in even more devices.^ The price of chipsets for Wi-Fi continues to drop, making it an economical networking option included in ever more devices.

 ^ And as more companies pile in, prices for Wi-Fi equipment are plummeting.
  • BW Online | April 28, 2003 | Wi-Fi Means Business 15 January 2010 3:25 UTC www.businessweek.com [Source type: News]

 ^ Wi-Fi networks have limited range.

 .Wi-Fi has become widespread in corporate infrastructures.^ Wi-Fi has become widespread in corporate infrastructures, which also helps with the deployment of RFID technology that can piggyback on Wi-Fi [2].

 ^ Wi-Fi you get in your home, the bigger the business opportunity becomes.
  • Wireless Technology: News & Videos about Wireless Technology - CNN.com 15 January 2010 3:25 UTC topics.cnn.com [Source type: News]

 ^ Wi-Fi isn't likely to become a rock-solid standard until hot spots are dependable.
  • BW Online | April 28, 2003 | Wi-Fi Means Business 15 January 2010 3:25 UTC www.businessweek.com [Source type: News]
.Different competitive brands of access points and client network interfaces are inter-operable at a basic level of service.^ Different competitive brands of access points and client network interfaces are inter-operable at a basic level of service.

 ^ The NonStop Wireless Networking, a Belden brand, has been installed in 140 different access points within the hotel we assume that means that most or all of the guest rooms now have WiFi.
  • International Hotel WiFi || HotelChatter 15 January 2010 3:25 UTC www.hotelchatter.com [Source type: General]

 ^ Those principles state that network operators must allow subscribers to access all online content, applications, services and devices as long as they are legal.

 .Products designated as "Wi-Fi Certified" by the Wi-Fi Alliance are backwards compatible.^ Wi-Fi® is a registered trademark of the Wi-Fi Alliance.
  • JiWire Global Wi-Fi Finder 15 January 2010 3:25 UTC www.jiwire.com [Source type: News]

 ^ Wi-Fi is a registered trademark of the Wi-Fi Alliance .
  • Wi-FiHotSpotList.com, a directory of public hot spots for finding Wi-Fiwireless Internet access network nodes 15 January 2010 3:25 UTC www.wi-fihotspotlist.com [Source type: FILTERED WITH BAYES]

 ^ Products designated as "Wi-Fi Certified" by the Wi-Fi Alliance are backwards inter-operable.

 .Wi-Fi is a global set of standards.^ Wi-Fi is a global set of standards.

 ^ The 802.11n standard is the successor to the 802.11g Wi-Fi protocol, which offers speeds of up to 54 Mbps.
  • Wi-Fi | Gadget Lab | Wired.com 15 January 2010 3:25 UTC www.wired.com [Source type: General]

 ^ Small business Wi-Fi - 'One size fits all' won't play in global market .
  • wi-fi | ITworld 15 January 2010 5:39 UTC www.itworld.com [Source type: General]

 .Unlike mobile phones, any standard Wi-Fi device will work anywhere in the world.^ Are there different Wi-Fi Standards?
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 ^ Unlike Wi-Fi access, 3G mobile broadband is available anywhere users have a mobile phone signal-from.

 ^ Wi-Fi phones make a splash .
  • Wi-Fi phones make a splash - CNET News 15 January 2010 3:25 UTC news.cnet.com [Source type: General]
.Wi-Fi is widely available in more than 220,000 public hotspots and tens of millions of homes and corporate and university campuses worldwide.^ Boingo Wi-Fi at more than 100,000 hotspots worldwide.
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ Freerunner to bring free Wi-Fi - public hotspots for all .
  • Wi-Fi: Tech Digest 15 January 2010 3:25 UTC www.techdigest.tv [Source type: General]

 ^ Home Wi-Fi users affected?
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 [35] .The current version of Wi-Fi Protected Access encryption (WPA2) is considered secure, provided a strong passphrase is used.^ Use WPA2 security .
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ Wi-Fi access client for Mac .
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ Use a strong WPA2 passphrase .
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 .New protocols for Quality of Service (WMM) make Wi-Fi more suitable for latency-sensitive applications (such as voice and video), and power saving mechanisms (WMM Power Save) improve battery operation.^ Wi-Fi service will not be free.
  • Wi-Fi on I4U News 20 September 2009 11:56 UTC www.i4u.com [Source type: General]

 ^ Categories: Internet service , Wi-Fi .

 ^ Wi-Fi phones make a splash .
  • Wi-Fi phones make a splash - CNET News 15 January 2010 3:25 UTC news.cnet.com [Source type: General]

Limitations

.Spectrum assignments and operational limitations are not consistent worldwide.^ Disadvantages of Wi-Fi Spectrum assignments and operational limitations are not consistent worldwide.

 .Most of Europe allows for an additional 2 channels beyond those permitted in the U.S. for the 2.4 GHz band.^ Most of Europe allows for an additional 2 channels beyond those permitted in the US (1-13 vs 1-11); Japan has one more on top of that (1-14), and some countries, like Spain, prohibit use of the lower-numbered channels.

 ^ Hotel, coffee shop, and airport WiFi is now taken for granted in most parts of the world, but the reach of WiFi is now extending beyond those venues.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 ^ Additionally, other devices use the 2.4 GHz band: microwave ovens, cordless phones, baby monitors, security cameras, and Bluetooth devices can cause significant additional interference.

 (1–13 vs. 1–11); Japan has one more on top of that (1–14). .Europe, as of 2007, was essentially homogeneous in this respect.^ Europe, as of 2007, is now essentially homogeneous in this respect.

 .A very confusing aspect is the fact that a Wi-Fi signal actually occupies five channels in the 2.4 GHz band resulting in only three non-overlapped channels in the U.S.: 1, 6, 11, and three or four in Europe: 1, 5, 9, 13 can be used if all the equipment on a specific area can be guaranteed not to use 802.11b at all, even as fallback or beacon.^ First of all, Texter only works over Wi-Fi.
  • Wifi -- TUAW 3 February 2010 19:11 UTC www.tuaw.com [Source type: General]

 ^ I'm unable to recieve the Wi-Fi signal.

 ^ Channel Overlap Calculations for 802.11b Networks .
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 .Equivalent isotropically radiated power (EIRP) in the EU is limited to 20 dBm (100 mW).^ Equivalent isotropically radiated power (EIRP) in the EU is limited to 20 dBm (0.1 W).

 ^ Given that, Section 15.247 limits the Effective Isotropic Radiated Power, which can be changed by the antenna gain causing more power to be radiated in a particular direction(s).

Reach

See also: Long-range Wi-Fi
Large satellite dish modified for long-range Wi-Fi communications in Venezuela
.Wi-Fi networks have limited range.^ Wi-Fi networks have limited range.

 ^ Is Ponca City Wi-Fi a secure network?

 ^ These will further increase the maximum throughput and coverage area of Wi-Fi Networks.
  • Advantages and Disadvantages of Wi-Fi 15 January 2010 3:25 UTC www.welloiledpc.com [Source type: General]

 .A typical wireless router using 802.11b or 802.11g with a stock antenna might have a range of 32 m (120 ft) indoors and 95 m (300 ft) outdoors.^ Typical 802.11g at 120’ = 5Mb/sec.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ I use a wireless G router.
  • C. Crane Company - CC WiFi Radio - Toll Free (800) 522-8863 15 January 2010 3:25 UTC www.ccrane.com [Source type: General]

 ^ WiFi: 802.11b and 802.11g .
  • C. Crane Company - CC WiFi Radio - Toll Free (800) 522-8863 15 January 2010 3:25 UTC www.ccrane.com [Source type: General]

 .The new IEEE 802.11n however, can exceed that range by more than double.^ Novarum recommends a whopping 60 access points per square mile to exceed 90 percent coverage for 802.11n laptops at rates higher than expected 4G cellular network speeds.

 ^ The connection is 50 percent faster than the 300Mbps peak for today's draft spec 802.11n chipsets and results in even more range: the new chip increases range by 160 percent over 300Mbps models and sports about five times more range than the earlier 802.11g standard, Marvell claims.
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ MobilePro Corp.'s Kite Networks wound up tripling the access points in Tempe, Ariz., adding roughly $1 million, or more than doubling the costs.

 .May 2009" style="white-space:nowrap;">[citation needed] Range also varies with frequency band.^ White-space backers say their devices will be able to detect and avoid frequencies being used by broadcasters and wireless mics.

 ^ Range also varies with frequency band.

 .Wi-Fi in the 2.4 GHz frequency block has slightly better range than Wi-Fi in the 5 GHz frequency block.^ Wi-Fi in the 2.4 GHz frequency block has slightly better range than Wi-Fi in the 5 GHz frequency block.

 ^ Wi-Fi networks have limited range.

 ^ Both are now certified to the 802.11n specification (not draft-n), and along with this certification come improvements in antenna design, which promises 50% better Wi-Fi performance and 25% better range.
  • Wifi -- TUAW 3 February 2010 19:11 UTC www.tuaw.com [Source type: General]

 .Outdoor ranges - through use of directional antennas - can be improved with antennas located several kilometres or more from their base.^ Outdoor range with improved (directional) antennas can be several kilometres or more with line-of-sight.

 ^ The 32-mile, $2.4 million network would snake through the city in two main loops, with several spurs from the main loop lines to connect more remote systems.

 ^ Still, it is nice to have the option because if you are using your sniffer to find a rogue AP then you can rig up a directional antenna and track in the direction where the signal is highest.

 In general, the maximum amount of power that a Wi-Fi device can transmit is limited by local regulations, such as FCC Part 15[36] in USA.
.Wi-Fi performance decreases roughly quadratically[citation needed] as distance increases at constant radiation levels.^ You can play online over 3G or Wi-Fi, and as you play, you can earn credits and level up, which gives you access to more weapons and better gear.
  • Wifi -- TUAW 3 February 2010 19:11 UTC www.tuaw.com [Source type: General]

 ^ The inverse-square law roughly says in this case that the signal would decrease in intensity inversely proportional to the square of the distance.

 ^ Intel says it has devised a new Wi-Fi technology, meant to increase the availability of Internet access worldwide.
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]
.Due to reach requirements for wireless LAN applications, power consumption is fairly high compared to some other standards.^ Power consumption is fairly high compared to some other low-bandwidth standards, such as Zigbee and Bluetooth, making battery life a concern.

 ^ Other ISPs have attempted to block some file-sharing application by so-called "port filtering," but that method is easily circumvented and now largely ineffective.

 ^ State and local government policies should support broadband, wireless, and other means of high speed Internet deployment throughout the state.

 .Technologies such as Bluetooth, that are designed to support wireless PAN applications, provide a much shorter propagation range of <10m (ref.^ This technology became available in Ponca City after an outdoor wireless network was installed to provide field communications for City services such Police, Fire, and Energy, improving worker efficiencies and level of service for customers.

 ^ ExteNet's system faced minimal neighborhood opposition but much scrutiny from wireless providers and a group that generally opposes changes to the historic Merritt Parkway.

 ^ They are intended to provide short-range, high-speed wireless digital communications such as wireless local area networks (“W-LANs”) [including WiFi, Bluetooth ], and to facilitate wireless access to the National Information Infrastructure.
  • Cybertelecom :: Part 15 Unlicensed : WiFi 3 February 2010 19:11 UTC www.cybertelecom.org [Source type: FILTERED WITH BAYES]

 e.g. IEEE Std. .802.15.4 section 1.2 scope) and so in general have a lower power consumption.^ Given that, Section 15.247 limits the Effective Isotropic Radiated Power, which can be changed by the antenna gain causing more power to be radiated in a particular direction(s).

 ^ Faulhaber p 204] While users of Part 15 spectrum do not need licenses, Part 15 devices must first be certified by the FCC. Part 15 devices also generally operate at low power limits.
  • Cybertelecom :: Part 15 Unlicensed : WiFi 3 February 2010 19:11 UTC www.cybertelecom.org [Source type: FILTERED WITH BAYES]

 .Other low-power technologies such as ZigBee have fairly long range, but much lower data rate.^ Power consumption is fairly high compared to some other low-bandwidth standards, such as Zigbee and Bluetooth, making battery life a concern.

 ^ Both drew much the same ~320-350mA USB port working currents, & compared with a cheapie 40mW USB adapter (measured as drawing ~270mA),this seems rather low for their much promoted "high power" ratings...

 ^ Interoperability issues between brands or proprietary deviations from the standard can disrupt connections or lower throughput speeds on other user's devices that are within range.

 .The high power consumption of Wi-Fi makes battery life a concern for mobile devices.^ Make a Wi-Fi Extender by infiniteshadow .

 ^ Wi-Fi phones make a splash .
  • Wi-Fi phones make a splash - CNET News 15 January 2010 3:25 UTC news.cnet.com [Source type: General]

 ^ Click Here Wi-Fi is a trade name for the popular wireless technology used in home networks, mobile networks, and electronic devices, like laptops and iPhones that require this type of wireless network to connect to the internet or to a private network.
.A number of "no new wires" technologies have been developed to provide alternatives to Wi-Fi for applications in which Wi-Fi's indoor range is not adequate and where installing new wires (such as CAT-5) is not possible or cost-effective.^ Wi-Fi networks have limited range.

 ^ But there's no stopping Wi Fi.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 ^ The company will provide the internet zones at no cost to community areas such as libraries, schools and colleges while charging commercial premises a third of what they already may pay.
  • Wi-Fi: Tech Digest 15 January 2010 3:25 UTC www.techdigest.tv [Source type: General]

 .One example is the ITU-T G.hn standard for high speed Local area networks using existing home wiring (coaxial cables, phone lines and power lines).^ So when will the powerful, high-speed wireless network arrive here?

 ^ Several NASA scientists are working on a project called Cell-All – compact, low-cost, low-power, high-speed nanosensor-based chemical sensor for cell phones.
  • Wi-Fi | iPhoneRoot.com 15 January 2010 3:25 UTC iphoneroot.com [Source type: General]

 ^ A - Cable Unplugged is one of the ways that Windows tells you that the computer can not use the Network connection.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 .Although G.hn does not provide some of the advantages of Wi-Fi (such as mobility or outdoor use), it's designed for applications (such as IPTV distribution) where indoor range is more important than mobility.^ Wi-Fi networks have limited range.

 ^ Both are now certified to the 802.11n specification (not draft-n), and along with this certification come improvements in antenna design, which promises 50% better Wi-Fi performance and 25% better range.
  • Wifi -- TUAW 3 February 2010 19:11 UTC www.tuaw.com [Source type: General]

 ^ Look for hotels with lower star ratings, which are more likely to offer free Wi-Fi.
  • International Hotel WiFi || HotelChatter 15 January 2010 3:25 UTC www.hotelchatter.com [Source type: General]
.Due to the complex nature of radio propagation at typical Wi-Fi frequencies, particularly the effects of signal reflection off trees and buildings, Wi-Fi signal strength can only be predicted generally for any given area in relation to a transmitter.^ I'm unable to recieve the Wi-Fi signal.

 ^ Wi-Fi USB transceiver claims 10x signal strength .
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ San Francisco still hopes to find other vendors willing to build a Wi-Fi network in its city, an effort that Google said it will continue to support.

 [37] .This effect does not apply equally to long-range Wi-Fi, since longer links typically operate from towers that broadcast above the surrounding foliage.^ Wi-Fi networks have limited range.

 ^ Easy to connect and operate over a Wi-Fi connection.
  • Wifi -- TUAW 3 February 2010 19:11 UTC www.tuaw.com [Source type: General]

 ^ Wi-Fi uses a very low power radio modem that typically operates at 100mW (i.e.
  • Ireland WiFi Hotspots ( Wireless Broadband ) Internet Access in Ireland 802.11b - hotels, stations, airports, etc 15 January 2010 3:25 UTC www.lookintoireland.com [Source type: General]

Mobility

Speed vs. Mobility of wireless systems: Wi-Fi, HSPA, UMTS, GSM
.Because of the very limited practical range of Wi-Fi, mobile use is essentially confined to such applications as inventory taking machines in warehouses or retail spaces, barcode reading devices at check-out stands or receiving / shipping stations.^ Wi-Fi networks have limited range.

 ^ Continue reading “ How to get the most out of in-flight Wi-Fi ” .
  • Wifi -- TUAW 3 February 2010 19:11 UTC www.tuaw.com [Source type: General]

 ^ Access the world's most trusted Wi-Fi registry in a free and easy-to-use website or downloadable app for Apple's iPhone and iPod touch devices.
  • JiWire Global Wi-Fi Finder 15 January 2010 3:25 UTC www.jiwire.com [Source type: News]

 .Mobile use of Wi-Fi over wider ranges is limited to move, use, as for instance in an automobile moving from one hotspot to another (known as Wardriving).^ Wi-Fi networks have limited range.

 ^ Ericsson on Wi-Fi hotspots .
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ They then used known statistics (like, for instance, 40-percent of all Wi-Fi points have no protection at all), and simulated a sequence of events that, in a mere two weeks, would result in 18,000 infected access points in New York City.
  • Wi Fi — Switched 3 February 2010 19:11 UTC www.switched.com [Source type: General]

 .Other wireless technologies are more suitable as illustrated in the graphic.^ WiFi and other wireless technologies are making the Internet “always on” and extending it to more people and more devices at more locations.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 ^ Full Connected topology of Ad Hoc WLAN The network topology of an Ad Hoc Wireless LAN (WLAN) is fully connected matrix, with two or more wireless clients connecting to each other, without any central controller.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ But a new wireless technology, known as 802.16, which should be more widely available to consumers over the next two years, will offer far greater ranges.

Data security risks

.The most common wireless encryption standard, Wired Equivalent Privacy or WEP, has been shown to be easily breakable even when correctly configured.^ The most common wireless encryption standard, Wired Equivalent Privacy or WEP, has been shown to be easily breakable even when correctly configured.

 ^ See Wikipedia:Wired Equivalent Privacy (WEP) WEP can be easily cracked and is not secure.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ If you want to open up wireless to outsiders (even just a neighbor), look for a wirelesss router with an isolation feature that blocks wireless-to-wired networking, most often found in "hotspot" routers .
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 .Wi-Fi Protected Access (WPA and WPA2) encryption, which became available in devices in 2003, aimed to solve this problem.^ Wi-Fi Protected Access (WPA and WPA2), which began shipping in 2003, aims to solve this problem and is now available on most products.

 ^ Wi-Fi access client for Mac .
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ Apparently, a serious Wi-Fi problem.
  • Wifi — Switched 3 February 2010 19:11 UTC www.switched.com [Source type: General]

 .Wi-Fi access points typically default to an encryption-free (open) mode.^ Wi-Fi Access Points typically default to an open (encryption-free) mode.

 ^ WI-FI is free, but unsecured.
  • Free WiFi Locations, Free WiFi Places and Free WiFi Hotspots 15 January 2010 3:25 UTC www.rverscomputerhelp.com [Source type: General]

 ^ Wi-Fi access client for Mac .
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 .Novice users benefit from a zero-configuration device that works out of the box, but this default is without any wireless security enabled, providing open wireless access to their LAN. To turn security on requires the user to configure the device, usually via a software graphical user interface (GUI).^ Novice users benefit from a zero-configuration device that works out of the box, but without security enabled, providing open wireless access to their LAN. To turn security on requires the user to configure the device, usually via a software graphical user interface (GUI).

 ^ To change the channel of operation for an access point requires the user to configure the device.

 ^ Some are open to all users while others require a login name and password.
  • DC-WiFi The Source For WiFi, WLAN and Wireless Internet 15 January 2010 3:25 UTC dc-wifi.com [Source type: General]

 .Wi-Fi networks that are unencrypted can be monitored and data (including personal information) may be recorded, but may be protected by other means, such as a virtual private network or by secure Hypertext Transfer Protocol (HTTPS) and Transport Layer Security.^ Wi-Fi networks have limited range.

 ^ Wi-Fi networks that are open (unencrypted) can be monitored and used to read and copy data (including personal information) transmitted over the network, unless another security method is used to secure the data, such as a VPN or a secure web page.

 ^ CNNMoney: Think all Wi-Fi networks are secure?
  • Wireless Technology: News & Videos about Wireless Technology - CNN.com 15 January 2010 3:25 UTC topics.cnn.com [Source type: News]

Population

.Many 2.4 GHz 802.11b and 802.11g access points default to the same channel on initial startup, contributing to congestion on certain channels.^ WiFi: 802.11b and 802.11g .
  • C. Crane Company - CC WiFi Radio - Toll Free (800) 522-8863 15 January 2010 3:25 UTC www.ccrane.com [Source type: General]

 ^ (HTTPS/Secure Socket Layer) Many 2.4 GHz 802.11b and 802.11g Access points default to the same channel on initial startup, contributing to congestion on certain channels.

 ^ Wi-Fi pollution, or an excessive number of access points in the area, especially on the same or neighboring channel, can prevent access and interfere with the use of other access points by others, caused by overlapping channels in the 802.11g/b spectrum, as well as with decreased signal-to-noise ratio (SNR) between access points.

 .To change the channel of operation for an access point requires the user to configure the device.^ To change the channel of operation for an access point requires the user to configure the device.

 ^ As soon as there is any deterioration in the signal, the device will automatically seek a different WiFi access point.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 ^ Those principles state that network operators must allow subscribers to access all online content, applications, services and devices as long as they are legal.

Channel pollution

For more details on this topic, see Electromagnetic interference at 2.4 GHz.
.Standardization is a process driven by market forces.^ Last December, it approved a measure to force municipalities to accelerate the local approval process for the telephone companies to offer video services in new markets.

 .Interoperability issues between non-Wi-Fi brands or proprietary deviations from the standard can still disrupt connections or lower throughput speeds on all users' devices that are within range, to include the non-Wi-Fi or proprietary product.^ Wi-Fi networks have limited range.

 ^ Easy to connect and operate over a Wi-Fi connection.
  • Wifi -- TUAW 3 February 2010 19:11 UTC www.tuaw.com [Source type: General]

 ^ The above assume good connection with all users within good range from the Wireless Source.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 .Moreover, the usage of the ISM band in the 2.45 GHz range is also common to Bluetooth, WPAN-CSS, ZigBee and any new system will take its share.^ Wireless Networking: Bluetooth : 1 MHz (2.4 GHz Band) : 1 Mbps Channel Capacity : 721 Kbps Typical Data Rate : Range 30' [ Working Paper 39 p 29] 2450 MHz .
  • Cybertelecom :: Part 15 Unlicensed : WiFi 3 February 2010 19:11 UTC www.cybertelecom.org [Source type: FILTERED WITH BAYES]

 ^ Additionally, other devices use the 2.4 GHz band: microwave ovens, cordless phones, baby monitors, security cameras, and Bluetooth devices can cause significant additional interference.

 ^ Wireless Networking: HomeRF : 1-5 MHz (2.4 GHz Band) : 10 Mbps Channel Capacity : Range 150' [ Working Paper 39 p 29] .
  • Cybertelecom :: Part 15 Unlicensed : WiFi 3 February 2010 19:11 UTC www.cybertelecom.org [Source type: FILTERED WITH BAYES]
.Wi-Fi pollution, or an excessive number of access points in the area, especially on the same or neighboring channel, can prevent access and interfere with the use of other access points by others, caused by overlapping channels in the 802.11g/b spectrum, as well as with decreased signal-to-noise ratio (SNR) between access points.^ Wi-Fi pollution, or an excessive number of access points in the area, especially on the same or neighboring channel, can prevent access and interfere with the use of other access points by others, caused by overlapping channels in the 802.11g/b spectrum, as well as with decreased signal-to-noise ratio (SNR) between access points.

 ^ Each channels overlaps its neighbors, with the amount of interference decreasing the farther apart they are.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ Wi-Fi access client for Mac .
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 .This can be a problem in high-density areas, such as large apartment complexes or office buildings with many Wi-Fi access points.^ This can be a problem in high-density areas, such as large apartment complexes or office buildings with many Wi-Fi access points.

 ^ Wi-Fi access client for Mac .
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ Wi-Fi pollution, or an excessive number of access points in the area, especially on the same or neighboring channel, can prevent access and interfere with the use of other access points by others, caused by overlapping channels in the 802.11g/b spectrum, as well as with decreased signal-to-noise ratio (SNR) between access points.

 .Additionally, other devices use the 2.4 GHz band: microwave ovens, security cameras, ZigBee devices, Bluetooth devices and (in some countries) Amateur radio, video senders, cordless phones and baby monitors, all of which can cause significant additional interference.^ The second issue with the 2.4-GHz band is that it also hosts many other devices: cordless phones, wireless cameras, Bluetooth devices, microwave ovens, and other Wi-Fi networks.
  • Wi Fi — Switched 3 February 2010 19:11 UTC www.switched.com [Source type: General]

 ^ Additionally, other devices use the 2.4 GHz band: microwave ovens, cordless phones, baby monitors, security cameras, and Bluetooth devices can cause significant additional interference.

 ^ Strong interference from a neighbor's WiFi signal, a microwave oven, electronics, or a cordless phone can sometimes distort the connection between your wireless router and the WiFi Internet Radio causing a deficit of consistent signal.
  • C. Crane Company - CC WiFi Radio - Toll Free (800) 522-8863 15 January 2010 3:25 UTC www.ccrane.com [Source type: General]

 .It is also an issue when municipalities,[38] or other large entities such as universities, seek to provide large area coverage.^ It is also an issue when municipalities[3], or other large entities such as universities, seek to provide large area coverage.

 ^ AT&T is therefore not a lawfully operating video service provider nor is it a franchised cable company seeking to provide competitive service outside its franchise area.

 ^ This can be a problem in high-density areas, such as large apartment complexes or office buildings with many Wi-Fi access points.

 .This openness is also important to the success and widespread use of 2.4 GHz Wi-Fi.^ This openness is also important to the success and widespread use of 2.4 GHz Wi-Fi, but makes it unsuitable for "must-have" public service functions or where reliability is required.

 ^ The approach is different from that of Boingo, a Wi-Fi aggregator based in Los Angeles that charges users a monthly fee for using hotspots while they are traveling.

 ^ Cheaper still, use your laptop's Wi-Fi connection to feed your Xbox .
  • Wi-Fi posts - Crave - CNET 15 January 2010 3:25 UTC news.cnet.com [Source type: General]

Hardware

Standard devices

An embedded RouterBoard 112 with U.FL-RSMA pigtail and R52 mini PCI Wi-Fi card widely used by wireless Internet service providers (WISPs) in the Czech Republic.
OSBRiDGE 3GN - 802.11n Access Point and UMTS/GSM Gateway in one device.
USB wireless adapter
.A wireless access point (WAP) connects a group of wireless devices to an adjacent wired LAN.^ Connectivity to a wired network requires a wireless access point (AP) used as a bridging device.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ Wireless users can connect to any WDS bridge as if were an access point.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ A Philadelphia developer has rooted out an unfinished feature of Windows 7 that turns any laptop into a wireless access point, allowing other WiFi-enabled devices to share the connection without special software.
  • wifi | ITworld 15 January 2010 3:25 UTC www.itworld.com [Source type: General]

 .An access point is similar to a network hub, relaying data between connected wireless devices in addition to a (usually) single connected wired device, most often an ethernet hub or switch, allowing wireless devices to communicate with other wired devices.^ An access point can only connect to clients, not to other access points.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ Connectivity to a wired network requires a wireless access point (AP) used as a bridging device.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ Wireless Ethernet switch Multiple simple access point radios connected to a central intelligent switch.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]
.Wireless adapters allow devices to connect to a wireless network.^ A Philadelphia developer has rooted out an unfinished feature of Windows 7 that turns any laptop into a wireless access point, allowing other WiFi-enabled devices to share the connection without special software.
  • wifi | ITworld 15 January 2010 3:25 UTC www.itworld.com [Source type: General]

 ^ Q - Why I see Wireless connections that are not mine in my Wireless Network display?
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ Those principles state that network operators must allow subscribers to access all online content, applications, services and devices as long as they are legal.

 .These adapters connect to devices using various external or internal interconnects such as PCI, miniPCI, USB, ExpressCard, Cardbus and PC Card.^ Q - Use USB device on the network.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ The device, called the Airnergy, uses an antenna and circuitry to harvest the energy and an internal battery to store the electrical charge.
  • Wi-Fi posts - Crave - CNET 15 January 2010 3:25 UTC news.cnet.com [Source type: General]

 ^ When Wi-Fi is used to connect the devices, the system is known as a wireless LAN or WLAN. (See WAN, WLAN, WMAN, WPAN).

 .Most newer laptop computers are equipped with internal adapters.^ Most users know they need a laptop that's equipped with a wireless card to connect to a WiFi network.

 ^ As of 2007 wireless network adapters are built into most modern laptops.

 Internal cards are generally more difficult to install.
.Wireless routers integrate a Wireless Access Point, ethernet switch, and internal Router firmware application that provides IP Routing, NAT, and DNS forwarding through an integrated WAN interface.^ Ethernet router , including: DHCP client and server NAT ( PAT ) Firewall (sometimes, not always -- NAT alone is not a real firewall ) Ethernet switch Wireless access point (radio) Some boxes also include either: .
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ DD-WRT How To Setup a Wi-Fi Hotspot Sputnik (for setting up secure hotspots) OpenWRT ChilliSpot (for setting up secure hotspots) HotspotOpenvpnHowto (hotspot with private VPN access) WiFiTastic (for setting up secure hotspots) Sveasoft Replacing the standard firmware in certain wireless routers and access points ( e.g., ZyxelP330W ) can provide greatly increased functionality ( e.g.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ Replacing the standard firmware in certain wireless routers and access points ( e.g., Linksys WRT54GL ) can provide greatly increased functionality ( e.g.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 .A wireless router allows wired and wireless ethernet LAN devices to connect to a (usually) single WAN device such as cable modem or DSL modem.^ Q - I have a Wireless Cable/DSL Router and few computers can I use all the computer as Wireless with No Wired computer?
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ At this point plug in the Ethernet cable and it will connect to your wired router automatically.
  • C. Crane Company - CC WiFi Radio - Toll Free (800) 522-8863 15 January 2010 3:25 UTC www.ccrane.com [Source type: General]

 ^ A Philadelphia developer has rooted out an unfinished feature of Windows 7 that turns any laptop into a wireless access point, allowing other WiFi-enabled devices to share the connection without special software.
  • wifi | ITworld 15 January 2010 3:25 UTC www.itworld.com [Source type: General]

 .A wireless router allows all three devices, mainly the access point and router, to be configured through one central utility.^ The wireless access point controls all traffic with wireless client radios.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ A Philadelphia developer has rooted out an unfinished feature of Windows 7 that turns any laptop into a wireless access point, allowing other WiFi-enabled devices to share the connection without special software.
  • wifi | ITworld 15 January 2010 3:25 UTC www.itworld.com [Source type: General]

 ^ This free signal is the one that turns your broadband connection into a FON Access Point.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 .This utility is usually an integrated web server that is accessible to wired and wireless LAN clients and often optionally to WAN clients.^ Wireless is just a replacement for a Wire and thus can be intercepted by people in the neighborhood attaching them self to your Signal and use your LAN and your LAN's Internet Connection.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ When Wi-Fi is used to connect the devices, the system is known as a wireless LAN or WLAN. (See WAN, WLAN, WMAN, WPAN).

 ^ Full Connected topology of Ad Hoc WLAN The network topology of an Ad Hoc Wireless LAN (WLAN) is fully connected matrix, with two or more wireless clients connecting to each other, without any central controller.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 .This utility may also be an application that is run on a desktop computer such as Apple's AirPort.^ AT&T, the exclusive U.S. carrier for Apple Inc.'s iPhone, already is running into capacity challenges given the popularity of the gadget and its scores of bandwidth-consuming applications.

 ^ The government also has been investigating Apple Inc.'s approval process for iPhone applications, but Genachowski isn't directly addressing manufacturers' right to determine which applications run on their phones.
.Wireless network bridges connect a wired network to a wireless network.^ Q - Why I see Wireless connections that are not mine in my Wireless Network display?
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ Eye Connect allows video as well as audio from ones Mac to be transmitted over the wireless network.
  • C. Crane Company - CC WiFi Radio - Toll Free (800) 522-8863 15 January 2010 3:25 UTC www.ccrane.com [Source type: General]

 ^ Wireless Network How to Get the Most Out of Your Wireless Internet Does your wireless connection drop when you move from your modem?
  • Wireless Internet - Associated Content - Topic - associatedcontent.com 15 September 2009 5:38 UTC www.associatedcontent.com [Source type: General]

 .This is different from an access point in the sense that an access point connects wireless devices to a wired network at the data-link layer.^ A Philadelphia developer has rooted out an unfinished feature of Windows 7 that turns any laptop into a wireless access point, allowing other WiFi-enabled devices to share the connection without special software.
  • wifi | ITworld 15 January 2010 3:25 UTC www.itworld.com [Source type: General]

 ^ This free signal is the one that turns your broadband connection into a FON Access Point.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 ^ Q - Why I see Wireless connections that are not mine in my Wireless Network display?
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 .Two wireless bridges may be used to connect two wired networks over a wireless link, useful in situations where a wired connection may be unavailable, such as between two separate homes.^ Also, it uses a wireless connection to your phone.
  • Wifi — Switched 3 February 2010 19:11 UTC www.switched.com [Source type: General]

 ^ You use it for both Wire and or Wireless.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ The Internet connectivity is by WiFi but it also uses wireless mesh networking.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]
.Wireless range extenders or wireless repeaters can extend the range of an existing wireless network.^ Visits: 3755 Wireless Mon 2.0 enables a person to detect and monitor Access Points (AP) on any Wireless (WiFi) networks within range.
  • Download Wireless Internet Access Software: Virtual Access Point, WiFi Sharing Manager, I'm InTouch, ... 15 September 2009 5:38 UTC www.filebuzz.com [Source type: FILTERED WITH BAYES]

 .Range extenders can be strategically placed to elongate a signal area or allow for the signal area to reach around barriers such as those created in L-shaped corridors.^ WiFi is primarily used to create a Local Area Network (LAN), which allows users within the network to connect wirelessly.
  • WiFi vs. WiMax - VoIP News 15 January 2010 3:25 UTC www.voip-news.com [Source type: General]

 ^ The project will start later this year with two locations: the Hub area around the Nassau Coliseum and along Route 110, an office and retail corridor in Suffolk.

 ^ Balhoff, however, believes the successful projects are most likely to be in remote places that traditional service providers skip — and fewer and fewer of those areas exist.

 .Wireless devices connected through repeaters will suffer from an increased latency for each hop.^ How many concurrent users can surf the Internet through the same Wireless Connection?
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ So you can connect up to five Wi-Fi-enabled devices simultaneously to the Internet through a single MiFi.

 ^ Wireless Internet Connection Democratization, Eastern Europe, and the Internet A look at the theories of Democratization in Eastern Europe through the lens of the Internet and Internet policy.
  • Wireless Internet - Associated Content - Topic - associatedcontent.com 15 September 2009 5:38 UTC www.associatedcontent.com [Source type: General]

 .Additionally, a wireless device connected to any of the repeaters in the chain will have a throughput that is limited by the weakest link between the two nodes in the chain from which the connection originates to where the connection ends.^ In order to connect to an access point and join a wireless network, computers and devices must be equipped with wireless network adapters ( See " How Wireless Networks Work " in the " Did You Know...

 ^ G wireless cards are nothing new, but most cards basically limit you to connecting a single device (such as a laptop) to the network for Internet access.

 ^ Despite some overlap between the two projects, wireless providers and siting council officials said each has its own strengths.

Distance records

Electronics portal
.Distance records (using non-standard devices) include 382 km (237 mi) in June 2007, held by Ermanno Pietrosemoli and EsLaRed of Venezuela, transferring about 3 MB of data between mountain tops of El Aguila and Platillon.^ I've got the Microsoft adapter (I bought used, about half the price of a new one) and a regular D-Link router, which is downstairs in my house...there's probably twenty feet between the router and my console, and two walls.
  • Wi-Fi? - General Xbox 360 - Neoseeker Forums 3 February 2010 19:11 UTC www.neoseeker.com [Source type: General]

 ^ Standard Bluetooth: Most widely used between cellphones and headsets, it offers top transfer rate of about 3 Mbps.
  • Wi-Fi | Gadget Lab | Wired.com 15 January 2010 3:25 UTC www.wired.com [Source type: General]

 ^ Today’s wireless networks will top out at a few hundred Mbps but what we are talking about here is multiple gigabits of data transfer speed,” says Craig Mathias, principal with research firm Farpoint Group.
  • Wi-Fi | Gadget Lab | Wired.com 15 January 2010 3:25 UTC www.wired.com [Source type: General]

 [39][40] .The Swedish Space Agency transferred data 310 km (193 mi), using 6 watt amplifiers to reach an overhead stratospheric balloon.^ Tech giants and Silicon Valley start-ups are betting that using white spaces could extend the Internet's reach.

 [41]

Embedded systems

Embedded serial-to-Wi-Fi module
.Wi-Fi availability in the home is on the increase.^ Home Wi-Fi users affected?
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ River debuts new PMPs, Wave-Home Wi-Fi console .
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ Wi-Fi you get in your home, the bigger the business opportunity becomes.
  • Wireless Technology: News & Videos about Wireless Technology - CNN.com 15 January 2010 3:25 UTC topics.cnn.com [Source type: News]

 [42] Examples of remote monitoring include security systems and tele-medicine. .In all these kinds of implementation, if the Wi-Fi provision is provided using a system running one of operating systems mentioned above, then it becomes unfeasible due to weight, power consumption and cost issues.^ The device runs on either an internal battery or wall plug, and basically grabs on to Verizon's 3G network, and then rebroadcasts it as a standard Wi-Fi signal.

 ^ I forgot to mention that throughput is usually much faster with Wi-Fi george_ou .
  • My EVDO will beat your WiFi any day (well just about) | Between the Lines | ZDNet.com 3 February 2010 19:11 UTC blogs.zdnet.com [Source type: General]

 ^ Redubbed FlyNet, the system recreates the Boeing-powered satellite-based system that was up and running as recently as 2006 .
.Increasingly in the last few years (particularly as of early 2007), embedded Wi-Fi modules have become available that incorporate a real-time operating system and provide a simple means of wirelessly enabling any device which has and communicates via a serial port.^ Easy to connect and operate over a Wi-Fi connection.
  • Wifi -- TUAW 3 February 2010 19:11 UTC www.tuaw.com [Source type: General]

 ^ Time Capsule Wi-Fi booster .
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ Fontanka writes that the policy has been adopted by the government agency responsible for regulating communications and cultural protection, and may only allow people to use a Wi-Fi device so long as they have special permission.
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 [43] This allows the design of simple monitoring devices, for example, a portable ECG device monitoring a patient at home. .This Wi-Fi-enabled device can communicate via the Internet.^ Additionally, Wi-Fi devices do not, as of 2007, pick channels to avoid interference.

 ^ He created the BearClaw Smart Amps, amplifiers that attach to regular speakers and enable them to operate over Wi-Fi.
  • Wi-Fi posts - Crave - CNET 15 January 2010 3:25 UTC news.cnet.com [Source type: General]

 ^ Internet Jobs Five Things to Do on a Wireless Mac when Wi-Fi is Not Available What use is there in having a great Mac Laptop when you're in a place with no Wi-Fi?
  • Wireless Internet - Associated Content - Topic - associatedcontent.com 15 September 2009 5:38 UTC www.associatedcontent.com [Source type: General]

 [44]
.These Wi-Fi modules are designed so that implementers need only minimal Wi-Fi knowledge to provide Wi-Fi connectivity for their products.^ Easy to connect and operate over a Wi-Fi connection.
  • Wifi -- TUAW 3 February 2010 19:11 UTC www.tuaw.com [Source type: General]

 ^ Cheaper still, use your laptop's Wi-Fi connection to feed your Xbox .
  • Wi-Fi posts - Crave - CNET 15 January 2010 3:25 UTC news.cnet.com [Source type: General]

 ^ First of all, Texter only works over Wi-Fi.
  • Wifi -- TUAW 3 February 2010 19:11 UTC www.tuaw.com [Source type: General]

Network security

.The main issue with wireless network security is its simplified access to the network compared to traditional wired networks such as ethernet.^ MAKE & RECEIVE CALLS THROUGH SECURE WIRELESS NETWORKS The Wi-Fi Phone is a standalone device that does not require a computer to use.
  • D-Link Wi-Fi® Phone 15 January 2010 3:25 UTC www.dlink.com [Source type: General]

 ^ G Mobile Router for UMTS/HSDPA Networks(DIR-451) Quickly and securely access Internet and share a Wireless G network while on the go with the 3G Mobile Router for UMTS/HSDPA Networks.
  • D-Link Wi-Fi® Phone 15 January 2010 3:25 UTC www.dlink.com [Source type: General]

 ^ The 3G Mobile Router for EV-DO networks allows users to set up a secure Wireless G network virtually anywhere within a broadband wireless network.
  • D-Link Wi-Fi® Phone 15 January 2010 3:25 UTC www.dlink.com [Source type: General]

 .With wired networking it is necessary to either gain access to a building, physically connecting into the internal network, or break through an external firewall.^ The device runs on either an internal battery or wall plug, and basically grabs on to Verizon's 3G network, and then rebroadcasts it as a standard Wi-Fi signal.

 ^ This free signal is the one that turns your broadband connection into a FON Access Point.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 ^ You can be in either place and have access to everything on a computer int he other place just as though it was plugged into the local area network.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 .Most business networks protect sensitive data and systems by attempting to disallow external access.^ G wireless cards are nothing new, but most cards basically limit you to connecting a single device (such as a laptop) to the network for Internet access.

 ^ These apps are designed to prevent hackers from gaining access to the data on your PC, and will block and alert you to any attempts to wirelessly access your computer.
  • Wi Fi — Switched 3 February 2010 19:11 UTC www.switched.com [Source type: General]

 ^ In addition, each computer on your Network that has access to the Internet should have its own Internet Connection protection regardless of whether it uses Wire or Wireless.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 .Thus being able to get wireless reception provides an attack vector, if encryption is not used or can be defeated.^ Wireless Internet How to Select a Wireless Internet Provider If you are in the market for a wireless internet provider for your home internet, there are a few tips that you can use to help select the best wireless provider for you.
  • Wireless Internet - Associated Content - Topic - associatedcontent.com 15 September 2009 5:38 UTC www.associatedcontent.com [Source type: General]

 ^ Wireless is just a replacement for a Wire and thus can be intercepted by people in the neighborhood attaching them self to your Signal and use your LAN and your LAN's Internet Connection.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ White-space backers say their devices will be able to detect and avoid frequencies being used by broadcasters and wireless mics.

 [45]
.Attackers who have gained access to a Wi-Fi network can use DNS spoofing attacks very effectively against any other user of the network, because they can see the DNS requests made, and often respond with a spoofed answer before the queried DNS server has a chance to reply.^ Wi-Fi networks have limited range.

 ^ In this case, "infected" means hackers' gaining access to the Wi-Fi router and modifying it to automatically distribute viruses and steal information in a way similar to that of the Zlob malware we covered last year.
  • Wi Fi — Switched 3 February 2010 19:11 UTC www.switched.com [Source type: General]

 ^ The device runs on either an internal battery or wall plug, and basically grabs on to Verizon's 3G network, and then rebroadcasts it as a standard Wi-Fi signal.

 [46]

Securing methods

.A common but unproductive measure to deter unauthorized users is to suppress the access point's SSID broadcast, "hiding" it.^ By plugging in a GPS it plots locations of Access points, strength, broadcast ID and radio manufacturer and plots them on a map REPLY .

 ^ To change the channel of operation for an access point requires the user to configure the device.

 ^ At that point, it broadcasts requests on all channels to find nearby access points.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 This is ineffective as a security method because the SSID is broadcast in the clear in response to a client SSID query. .Another unproductive method is to only allow computers with known MAC addresses to join the network.^ Wireless Internet Routers Allow for Easy Home Computer Network Wireless Internet routers are extremely popular.
  • Wireless Internet - Associated Content - Topic - associatedcontent.com 15 September 2009 5:38 UTC www.associatedcontent.com [Source type: General]

 ^ Eye Connect allows video as well as audio from ones Mac to be transmitted over the wireless network.
  • C. Crane Company - CC WiFi Radio - Toll Free (800) 522-8863 15 January 2010 3:25 UTC www.ccrane.com [Source type: General]

 ^ Utilities to find IP and MAC address, and other Local Network Info.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 [47] The fault with this method is MAC addresses can often, but not always, be set by a user with minimal effort (MAC spoofing). .If the eavesdropper has the ability to change his MAC address, then they may join the network by spoofing an authorized address.^ Without the ability to manage traffic, he said, these companies could be forced to make expensive network upgrades they cannot afford.

 ^ Utilities to find IP and MAC address, and other Local Network Info.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]
.Wired Equivalent Privacy (WEP) encryption was designed to protect against casual snooping, but is now deprecated.^ The most common wireless encryption standard, Wired Equivalent Privacy or WEP, has been shown to be easily breakable even when correctly configured.

 ^ See Wikipedia:Wired Equivalent Privacy (WEP) WEP can be easily cracked and is not secure.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 Tools such as AirSnort or Aircrack-ng can quickly recover WEP encryption keys. .Once it has seen 5-10 million encrypted packets, AirSnort can determine the encryption password in under a second;[48] newer tools such as aircrack-ptw can use Klein's attack to crack a WEP key with a 50% success rate using only 40,000 packets.^ WPA is not easily cracked if strong passwords are used and WPA2 encryption has no known weaknesses.

 ^ Free tools Kismet Network Stumbler WEP cracking .
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ To avoid this problem, enter all keys in hex (using only symbols 0-9 and A-F).
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]
.To counteract this in 2002, the Wi-Fi Alliance approved Wi-Fi Protected Access (WPA) which uses TKIP as a stopgap solution for legacy equipment.^ Wi-Fi uses a very low power radio modem that typically operates at 100mW (i.e.
  • Ireland WiFi Hotspots ( Wireless Broadband ) Internet Access in Ireland 802.11b - hotels, stations, airports, etc 15 January 2010 3:25 UTC www.lookintoireland.com [Source type: General]

 ^ You can play online over 3G or Wi-Fi, and as you play, you can earn credits and level up, which gives you access to more weapons and better gear.
  • Wifi -- TUAW 3 February 2010 19:11 UTC www.tuaw.com [Source type: General]

 ^ The approach is different from that of Boingo, a Wi-Fi aggregator based in Los Angeles that charges users a monthly fee for using hotspots while they are traveling.

 .Though more secure than WEP, it has outlived its designed lifetime, has known attack vectors and is no longer recommended.^ As this type of handheld device becomes more ubiquitous, we will no longer think of the device as a "phone", but rather as a computer connected to the Internet at high speed.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 ^ Under that rule, no company can control more than 30 percent of the market.

 ^ What I like about this particular adapter is it's tiny: it protrudes from your USB port by no more than about an inch.
  • Wi-Fi posts - Crave - CNET 15 January 2010 3:25 UTC news.cnet.com [Source type: General]
.In 2004, the full IEEE 802.11i (WPA2) encryption standards were released.^ Based on the ratified IEEE 802.11i standard, WPA2 provides government grade security by implementing the National Institute of Standards and Technology (NIST) FIPS 140-2 compliant AES encryption algorithm and 802.1X-based authentication.

 ^ More about Wireless Security: Wireless Security Configuration Wireless Encryption - WEP, WPA, and WPA2 (802.11i) .
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ WMM is based on a subset of the IEEE 802.11e WLAN QoS draft standard.

 If used with a 802.1X server or in pre-shared key mode with a strong and uncommon passphrase WPA2 is still considered secure, as of 2009.

Piggybacking

Main article: Piggybacking (internet access)
.Piggybacking refers to access of a wireless Internet connection by bringing one's own computer within the range of another's wireless connection, and using that service without the subscriber's explicit permission or knowledge.^ This is truly wireless internet access.
  • Wireless Internet - Associated Content - Topic - associatedcontent.com 15 September 2009 5:38 UTC www.associatedcontent.com [Source type: General]

 ^ Airport Wireless Internet information may not be reproduced without permission.
  • Airport Wireless Internet Access Guide 15 January 2010 3:25 UTC www.travelpost.com [Source type: General]

 ^ Wireless Security has Nothing to do with securing the Internet Connection.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]
.During the early popular adoption of 802.11, providing open access points for anyone within range to use was encouraged to cultivate wireless community networks,[49] particularly since people on average use only a fraction of their downstream bandwidth at any given time.^ Used to extend the range or coverage of a wireless network.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ IP addresses are used only for configuration of the access points.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ Used to extend the range or coverage of a network.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]
.Recreational logging and mapping of other people's access points has become known as wardriving.^ Thus at the distance at which most people find themselves in relation to access points, the amount of energy falling is incredibly minute.

 ^ While there are still some fee-based WiFi access points around (mainly in airports), more and more are becoming totally free.
  • Wifi stories at Techdirt Wireless. 15 January 2010 3:25 UTC techdirt.com [Source type: General]

 ^ If you are aware of any other access points please e-mail us using the feedback link below.
  • Ireland WiFi Hotspots ( Wireless Broadband ) Internet Access in Ireland 802.11b - hotels, stations, airports, etc 15 January 2010 3:25 UTC www.lookintoireland.com [Source type: General]

 .It is also common for people to use open (unencrypted) Wi-Fi networks as a free service, termed piggybacking.^ I always use the free wi-fi at Westfield in SHepherd's Bush.
  • Free Wifi in London...Mapped - Londonist 15 January 2010 3:25 UTC londonist.com [Source type: FILTERED WITH BAYES]

 ^ Categories: Internet service , Wi-Fi .

 ^ Wi-Fi networks have limited range.

 .Indeed, many access points are intentionally installed without security turned on so that they can be used as a free service.^ There haven't been many users yet, said Pensiero, but he hoped more will take advantage of it once they get to know about the service.

 ^ Once users know about free Wi-Fi service they're eager to use it, said Alice Knapp, director of public services at the Ferguson Library.

 ^ This free signal is the one that turns your broadband connection into a FON Access Point.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 .Providing access to one's Internet connection in this fashion may be contrary to the Terms of Service or contract with the ISP.^ Within a circle of connectivity, users may access the Internet free.

 ^ If you are considering a subscription to a wireless Internet service plan, use this guide to find the provider that best meets your needs based on which airports you use and your pricing and access requirements.
  • Airport Wireless Internet Access Guide 15 January 2010 3:25 UTC www.travelpost.com [Source type: General]

 ^ This free signal is the one that turns your broadband connection into a FON Access Point.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 .These activities do not result in sanctions in most jurisdictions; however, legislation and case law differ considerably across the world.^ Lowering IT Cost Starts With Your Database Organizations across the world are using grid computing to make the most of their IT resources.
  • My EVDO will beat your WiFi any day (well just about) | Between the Lines | ZDNet.com 3 February 2010 19:11 UTC blogs.zdnet.com [Source type: General]

 A proposal to leave graffiti describing available services was called warchalking. In a Florida court case, owner laziness was determined not to be a valid excuse. [50]
Piggybacking is often unintentional. .Most access points are configured without encryption by default, and operating systems such as Windows XP SP2, Mac OS X or Ubuntu Linux may be configured to automatically connect to any available wireless network.^ A - Cable Unplugged is one of the ways that Windows tells you that the computer can not use the Network connection.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ This free signal is the one that turns your broadband connection into a FON Access Point.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 ^ Q - Why I see Wireless connections that are not mine in my Wireless Network display?
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 .A user who happens to start up a laptop in the vicinity of an access point may find the computer has joined the network without any visible indication.^ You can be in either place and have access to everything on a computer int he other place just as though it was plugged into the local area network.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 ^ MobilePro Corp.'s Kite Networks wound up tripling the access points in Tempe, Ariz., adding roughly $1 million, or more than doubling the costs.

 ^ The idea is that FON members (foneros) share their wireless Internet access at home and, in return, enjoy free WiFi access wherever they find another Fonero’s Access Point.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 .Moreover, a user intending to join one network may instead end up on another one if the latter's signal is stronger.^ La Fonera emits two wireless network signals -- a private and a public one.
  • patrickWeb 15 January 2010 3:25 UTC patrickweb.com [Source type: General]

 ^ When two networks have the same SSID , wireless devices on one network may try to connect to the other network (because they look like the same network), which can cause problems.
  • Wi-Fi - Navas Wireless Wiki 15 January 2010 3:25 UTC wireless.navas.us [Source type: FILTERED WITH BAYES]

 ^ Or I ended up short on my Network Cable what shell I do?
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 .In combination with automatic discovery of other network resources (see DHCP and Zeroconf) this could possibly lead wireless users to send sensitive data to the wrong middle man when seeking a destination (see Man-in-the-middle attack).^ Q - Why I see Wireless connections that are not mine in my Wireless Network display?
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 ^ Mari Borden, a student at Portland State, said she couldn't connect to MetroFi's free network from several locations, even though her computer could detect a signal (MetroFi officials say users might need stronger wireless cards to send back a signal).

 ^ Other icons, or links in the Network's resources folders might not be allowed to be deleted.
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

 .For example, a user could inadvertently use an insecure network to log in to a website, thereby making the login credentials available to anyone listening, if the website is using an insecure protocol like HTTP.^ Wireless microphone users, from pop stars to mega-church ministers, say using white spaces could blot out their sounds.

 ^ I would like to understand if this hotspots are really free, or if someone want to use them has to drink something in a bar for example to obtain a code to access to the wifi.
  • Free Wifi in London...Mapped - Londonist 15 January 2010 3:25 UTC londonist.com [Source type: FILTERED WITH BAYES]

 ^ In order to monitor the traffic of a Network through a central point, the Network has to be configured with Central Server Topology using Server OS (like Windows 2003).
  • Network FAQ 15 September 2009 5:38 UTC www.ezlan.net [Source type: General]

See also

References

  1. ^ "Wi-Fi". http://www.webopedia.com/TERM/W/Wi_Fi.html. 
  2. ^ "Basic Facts About Wi-Fi and its Advancement". http://www.techpluto.com/wifi-info/. 
  3. ^ "Switch on for Square Mile wi-fi". news.bbc.co.uk. http://news.bbc.co.uk/2/hi/technology/6577307.stm. Retrieved 2007-11-08. 
  4. ^ "MuniWireless » City Initiatives Directory". www.muniwireless.com. http://www.muniwireless.com/initiatives/2008/01/02/7483/. Retrieved 2008-03-12. 
  5. ^ "Wi-Fi: Poskytovatelé bezdrátového připojení". internetprovsechny.cz. http://translate.google.com/translate?u=http%3A%2F%2Fwww.internetprovsechny.cz%2Fwifi-poskytovatele.php&hl=cs&ie=UTF8&sl=cs&tl=en. Retrieved 2008-03-17. 
  6. ^ "Bezdrátové připojení k internetu". bezdratovepripojeni.cz. http://translate.google.com/translate?u=http%3A%2F%2Fwww.bezdratovepripojeni.cz&hl=cs&ie=UTF8&sl=cs&tl=en. Retrieved 2008-05-18. 
  7. ^ "Sunnyvale Uses MetroFi". unstrung.com. http://www.unstrung.com/document.asp?doc_id=85119&WT.svl=wire1_1. Retrieved 2008-07-16. 
  8. ^ "Muni Wi-Fi Firms Find New Life In Smart Grid". GigaOm. http://gigaom.com/2009/05/28/muni-wi-fi-firms-find-new-life-in-smart-grid/. 
  9. ^ "Wi-Fi Origins". http://www.cmu.edu/homepage/computing/2009/summer/wi-fi-origins.shtml. Retrieved 2008-07-16. 
  10. ^ "Wi-Fi Direct allows device-to-device links". http://www.networkworld.com/news/2009/101409-wi-fi-direct.html?hpg1=bn. 
  11. ^ "Authorization of Spread Spectrum Systems Under Parts 15 and 90 of the FCC Rules and Regulations" (TXT). Federal Communications Commission. June 18, 1985. http://www.marcus-spectrum.com/documents/81413RO.txt. Retrieved 2007-08-31. 
  12. ^ "The Genesis of Unlicensed Wireless Policy". George Mason University. April 4, 2008. http://www.iep.gmu.edu/UnlicensedWireless.php. Retrieved 2008-04-20. 
  13. ^ "http://www.britannica.com/EBchecked/topic/1473553/Wi-Fi" (TXT). Encyclopædia Britannica.. http://www.britannica.com/EBchecked/topic/1473553/Wi-Fi. Retrieved 2010-02-3. 
  14. ^ "United States Patent: 5487069". Patft.uspto.gov. http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/PTO/srchnum.htm&r=1&f=G&l=50&s1=5,487,069.PN.&OS=PN/5,487,069&RS=PN/5,487,069. Retrieved 2009-12-27. 
  15. ^ "CSIRO honours wireless team". CSIRO. Retrieved 02 November 2009.
  16. ^ "Bonanza for CSIRO after landmark patent win - BizTech - Technology". smh.com.au. http://www.smh.com.au/news/technology/biztech/2009/04/22/1240079730838.html?page=fullpage. Retrieved 2009-12-27. 
  17. ^ "CSIRO settles wireless battle - csiro". Computerworld. http://www.computerworld.com.au/article/300310/csiro_settles_wireless_battle. Retrieved 2009-12-27. 
  18. ^ "Patent proceeds to fund new CSIRO research - ABC News (Australian Broadcasting Corporation)". Abc.net.au. 2009-04-22. http://www.abc.net.au/news/stories/2009/04/22/2549678.htm. Retrieved 2009-12-27. 
  19. ^ "Catalyst: WiFi Windfall - ABC TV Science". Abc.net.au. http://www.abc.net.au/catalyst/stories/2708730.htm. Retrieved 2009-12-27. 
  20. ^ http://www.itnews.com.au/News/159277,csiro-wi-fi-developer-scoops-top-science-prize.aspx
  21. ^ Castells, Manuel, Mireia Fernández- Ardévol, Jack Qiu, and Araba Sey. Mobile Communication and Society. Cambridge, MA: MIT Press, 2007. 27-28. Print.
  22. ^ "Wi-Fi Alliance: Organization". www.wi-fi.org. http://www.wi-fi.org/organization.php. Retrieved 2009-10-22. 
  23. ^ "Wi-Fi Alliance: White Papers". www.wi-fi.org. http://www.wi-fi.org/wp/wifi-alliance-certification/. Retrieved 2009-10-22. 
  24. ^ "Wi-Fi Alliance: Programs". www.wi-fi.org. http://www.wi-fi.org/certification_programs.php. Retrieved 2009-10-22. 
  25. ^ "Wireless Ethernet Compatibility Alliance (WECA) Awards New Wi-Fi Interoperability Certification". Wi-Fi Alliance. 2000-05-08. http://www.wi-fi.org/news_articles.php?f=media_news&news_id=64. Retrieved 2009-11-30. 
  26. ^ "Six Wi-Fi Interoperability Certifications Awarded By The Wireless Ethernet Compatibility Alliance (WECA)". Wi-Fi Alliance. 2000-07-19. http://www.wi-fi.org/news_articles.php?f=media_news&news_id=62. Retrieved 2009-11-30. 
  27. ^ a b c "Securing Wi-Fi Wireless Networks with Today’s Technologies". Wi-Fi Alliance. 2003-02-06. http://www.wi-fi.org/files/wp_4_Securing%20Wireless%20Networks_2-6-03.pdf. Retrieved 2009-11-30. 
  28. ^ a b "WPA™ Deployment Guidelines for Public Access Wi-Fi® Networks". Wi-Fi Alliance. 2004-10-28. http://www.wi-fi.org/files/wp_6_WPA%20Deployment%20for%20Public%20Access_10-28-04.pdf. Retrieved 2009-11-30. 
  29. ^ "Wireless Fidelity (WiFi) Technology". ITAA. January 2004. http://www.itaa.org/isec/docs/innovation/wifiwhitepaper.pdf. Retrieved 2009-11-30. 
  30. ^ Phil Belanger is the founding member of the Wi-Fi Alliance
  31. ^ a b c "WiFi isn't short for "Wireless Fidelity"". boingboing.net. http://www.boingboing.net/2005/11/08/wifi_isnt_short_for_.html. Retrieved 2007-08-31. 
  32. ^ a b "Wireless Fidelity' Debunked". Wi-Fi Planet. 2007-04-27. http://www.wi-fiplanet.com/columns/article.php/3674591. Retrieved 2007-08-31. 
  33. ^ U.S. Patent and Trademark Office.
  34. ^ "What is the True Meaning of Wi-Fi?". Teleclick. http://www.teleclick.ca/2005/12/what-is-the-true-meaning-of-wi-fi/. Retrieved 2007-08-31. 
  35. ^ "Wi-Fi Finder". jiwire.com. http://www.jiwire.com/search-hotspot-locations.htm. Retrieved 2008-04-20. 
  36. ^ FCC Sec.15.249 Operation within the bands 902–928 MHz, 2400–2483.5 MHz, 5725–5875 MHZ, and 24.0–24.25 GHz.
  37. ^ "WiFi Mapping Software: Footprint". Alyrica Networks, Inc.. http://www.alyrica.net/node/20. Retrieved 2008-04-27. 
  38. ^ Wilson, Tracy V.. "How Municipal WiFi Works". computer.howstuffworks.com. http://computer.howstuffworks.com/municipal-wifi.htm. Retrieved 2008-03-12. 
  39. ^ "Ermanno Pietrosemoli has set a new record for the longest communication Wi-Fi link". http://interred.wordpress.com/2007/06/18/ermanno-pietrosemoli-has-set-a-new-record-for-the-longest-communication-wi-fi-link/. Retrieved 2008-03-10. 
  40. ^ "Wireless technology is irreplaceable for providing access in remote and scarcely populated regions". http://www.apc.org/en/news/strategic/world/wireless-technology-irreplaceable-providing-access. Retrieved 2008-03-10. 
  41. ^ "Long Distance WiFi Trial" (PDF). http://www.eslared.org.ve/articulos/Long%20Distance%20WiFi%20Trial.pdf. Retrieved 2008-03-10. 
  42. ^ "estimated number of wi-fi spots globally". http://blogs.msdn.com/alexbarn/archive/2005/09/28/474794.aspx. Retrieved 2005-05-28. 
  43. ^ "Quatech Rolls Out Airborne Embedded 802.11 Radio for M2M Market". http://edageek.com/2008/04/18/embedded-wifi-radio/. Retrieved 2008-04-29. 
  44. ^ "CIE article on embedded WiFi for M2M applications". http://www.cieonline.co.uk/cie2/articlen.asp?pid=1810&id=19742. Retrieved 2008-08-27. 
  45. ^ "802.11 X Wireless Network in a Business Environment -- Pros and Cons.". NetworkBits.net. http://networkbits.net/wireless-printing/80211-g-pros-cons-of-a-wireless-network-in-a-business-environment/. Retrieved 2008-04-08. 
  46. ^ (first sentence
  47. ^ Mateti, Prabhaker (2005). "Hacking Techniques in Wireless Networks". Dayton, Ohio: Department of Computer Science and Engineering Wright State University. http://www.cs.wright.edu/~pmateti/InternetSecurity/Lectures/WirelessHacks/Mateti-WirelessHacks.htm#_Toc77524658. Retrieved 2010-02-28. 
  48. ^ "Wireless Vulnerabilities & Exploits". wirelessve.org. http://www.wirelessve.org/entries/show/WVE-2005-0020. Retrieved 2008-04-15. 
  49. ^ NoCat's goal is to bring you Infinite Bandwidth Everywhere for Free
  50. ^ See the wikinews article mentioned in this section.
Internet access
Network type Wired Wireless
Optical Coaxial cable Twisted pair Phone line Power line Unlicensed terrestrial bands Licensed terrestrial bands Satellite
LAN Ethernet G.hn Ethernet HomePNA  · G.hn G.hn Wi-Fi · Bluetooth · DECT · Wireless USB
WAN PON · Ethernet DOCSIS Ethernet Dial-up · ISDN · DSL BPL Muni Wi-Fi GPRS · iBurst · WiBro/WiMAX · UMTS-TDD, HSPA · EVDO · LTE Satellite

Wiktionary

Up to date as of January 14, 2010

Definition from Wiktionary, a free dictionary

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Wikipedia has an article on:

Contents

English

EB1911A-pict1.png This entry lacks etymological information. .If you are familiar with the origin of this word, please add it to the page as described here.^ Your blog may have tag capability built in or you can add Technorati tags to your articles which will ensure it is listed on pages like this one.
  • wifi Articles, Posts, Blogs, Videos - Technorati 15 January 2010 3:25 UTC technorati.com [Source type: General]
  • wi-fi Articles, Posts, Blogs, Videos - Technorati 15 January 2010 3:25 UTC technorati.com [Source type: General]

 ^ Don't forget, you can use ideas here to make modified veriations of the other systems found on this page.
  • HostChoice.net - Building a Wi-Fi network 15 January 2010 3:25 UTC www.hostchoice.net [Source type: General]

 ^ If you have any questions you would like answered, or if you simply want to add to the content here please don't hesitate to drop me a line at cardsagogo@gmail.com .
Particularly: “Current etymology seems to lack consensus.”

Etymology

.Designed to be a rhyming couplet with Wi meaning Wireless and Fi being the rhyming complement.^ Origin and meaning of the term "Wi-Fi" .

 ^ According to the source, transcontinental 767-200s will be fitted with broadband and Wi-Fi in 2008, the responsible company being AirCell.
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ We had the idea a long time ago , so it's pretty awesome to see some serious passive aggression being displayed in Wi-Fi network names.
  • wifi - Gizmodo 15 January 2010 3:25 UTC gizmodo.com [Source type: General]
  • Wi-Fi - Gizmodo 15 January 2010 3:25 UTC gizmodo.com [Source type: General]

 .Some wronglysee discussion tab believe that Fi refers to Fidelity as in Hi-Fi, though the end complement does resonate with this similar couplet.^ So it's nice to see that some locally-wired citizens, loosely known as Wireless Toronto, are getting together to discuss the idea of creating wireless community networks.
  • wifi coverage by Torontoist 15 January 2010 3:25 UTC torontoist.com [Source type: General]

 ^ Some 7,000 locations should have Wi-Fi in May, though customers may already be able to login from San Antonio.
  • Wi-Fi news, apple news, iphone news, ipod news, mac news | MacNN 3 February 2010 19:11 UTC www.macnn.com [Source type: General]

 ^ We had the idea a long time ago , so it's pretty awesome to see some serious passive aggression being displayed in Wi-Fi network names.
  • wifi - Gizmodo 15 January 2010 3:25 UTC gizmodo.com [Source type: General]
  • Wi-Fi - Gizmodo 15 January 2010 3:25 UTC gizmodo.com [Source type: General]

Pronunciation

  • (WEAE) IPA: /ˈwaɪ.faɪ/

Noun

Wi-Fi®
.
  1. A brand name developed by the Wi-Fi Alliance to ensure compatibility among products which communicate data wirelessly via the IEEE 802.11 specification.
  2. The conformance standard promoted by the Wi-Fi Alliance.^ Today, Wi-Fi can apply toproducts that use any 802.11 standard.
    • Wi-Fi - White Papers, Webcasts and IT downloads - Bitpipe.com 20 September 2009 11:56 UTC www.bitpipe.com [Source type: General]

     ^ Eleven Myths about 802.11 Wi-Fi Networks .
    • Wi-Fi - White Papers, Webcasts and IT downloads - Bitpipe.com 20 September 2009 11:56 UTC www.bitpipe.com [Source type: General]
    • Wi-Fi White Papers, Wi-Fi Webcasts, Wi-Fi Case Studies and Wi-Fi Product Information 20 September 2009 11:56 UTC pcpro.bitpipe.com [Source type: General]

     ^ Wireless networks using 802.11 standard networks for communication devices.
    • Wifi - A Guide to how does wifi work 15 January 2010 3:25 UTC somewifi.com [Source type: General]

     E.g. I'll send the file using Wi-Fi., I have a Wi-Fi laptop computer., This coffee shop has Wi-Fi for its customers.

References

See also


Simple English

Wireless Fidelity or Wi-Fi is a wireless brand owned by the Wi-Fi Alliance. It is used to help people access networks and the internet without using wires. It is often found in PDAs, laptops and newer computers. To create a wireless network, a wireless router is needed.

Wi-Fi uses the IEEE 802.11 standard to send and receive information between computers. Scientists have asked whether Wi-Fi is dangerous because it uses small amounts of radiation.

Other pages

Other websites

Retrieved from "http://yak.rapint.com/wiki/Wi-Fi"

Citable sentences

Up to date as of December 08, 2010

Here are sentences from other pages on Wi-Fi, which are similar to those in the above article.








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