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SiRF: Wikis

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SiRF Technology Holdings, Inc.
Type Public
(NASDAQSIRF)
Founded 1995
Headquarters San Jose, California, US
Key people Diosdado P. Banatao,
Kanwar Chadha,
Industry ICT / Electronics
Products GPS navigation software
GPS navigation devices
Revenue 33.0% US$ 329.4 Million (2007)[1]
Website www.sirf.com

SiRF Technology Holdings, Inc. (NASDAQSIRF) is a publicly traded company that manufactures a range of patented GPS chipsets and software for consumer navigation devices and systems. The chips are based on ARM controllers integrated with low-noise radio receivers to decode GPS signals at very low signal levels (typically -160dBm).

SiRF chips also support SBAS to allow for differentially corrected positions.

SiRFstar III architecture is designed to be useful in wireless and handheld location-based services (LBS) applications, for 2G, 2.5G, 3G asynchronous networks.

The SiRFstarIII family comprises the GRF3w RF IC, the GSP3f digital section, and the GSW3 software that is API compatible with GSW2 and SiRFLoc. The chips have been adopted by major GPS manufacturers, including Sony, Garmin, TomTom and Magellan.

A pioneer in the commercial use of GPS for consumer applications, the company was founded in 1995 and has its headquarters in San Jose, California.

On 10 February 2009, UK wireless chip company CSR announced it was buying SiRF in a share deal worth 136 million dollars[2].

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