Combridge Silicon Radio Limited (CSR) is a leading provider of multifunction connectivity and location platforms.  CSR’s technology portfolio includes Bluetooth, GPS, FM, Wi-Fi (IEEE802.11), UWB, NFC and other technologies to enable silicon platforms that incorporate fully integrated radio, baseband and microcontroller elements. 

CSR’s technology has been adopted by market leaders into a wide range of mobile consumer devices such as mobile phones, automobile navigation and telematics systems, portable navigation devices (PNDs), wireless headsets, mobile computers, mobile internet devices, GPS recreational devices, digital cameras, mobile gaming, plus a wide range of personal and commercial tracking application.

SiRF's GPS technology delivers instant location information, enabling users to find their way or find their loved ones anywhere in the world using car navigation systems, portable PCs, cellular phones, entertainment systems, hand-held devices and a wide-range of new and exciting consumer products.