SiRF Technology, Inc. was a pioneer in the commercial use of GPS technology for consumer applications. The company was founded in 1995 and was headquartered in San Jose, California. The company was acquired by British firm CSR plc in 2009
April 2013, Qualcomm, Inc., has agreed to buy British CSR for $2.5 billion, to enhance its automotive infotainment and Internet of Things (IoT) offerings. CSR is known to the GPS/GNSS industry as the maker of the SiRFstar series of chips, which are used in many consumer devices. Qualcomm is a leading maker of chips used in smartphones.
