- Quatro® 4300 Series, Silicon
- Quatro® 4500 Series, Silicon

CSR is a global provider of innovative silicon and software solutions for the location-aware, media-rich, cloud-connected world. Our platforms are optimised for the automotive navigation and infotainment, digital cameras and imaging, connected home infotainment and wireless audio markets. We provide solutions to complex problems in the audio-visual, connectivity and location technology domains across a broad range of markets, with a technology portfolio that includes GPS/GNSS systems, Bluetooth, Wi-Fi, FM, NFC, aptX and CVC audio codecs, JPEG, MPEG, H.264 imaging, IPS printing, microcontrollers, DSPs and broadband receivers.
CSR’s PCs and Document Imaging Group, based in Burlington, Massachusetts USA, is a leading provider of system-on-a-chip (SOC) solutions, compression/decompression processors, and page description language emulations (PCL, PostScript and PDF) to the world’s top printer OEMs including Canon, Hewlett-Packard, Oki, Ricoh, Sharp, Toshiba TEC and Xerox.
Member of the CSR plc group of companies. CSR plc registered in England and Wales, registered number 4187346, registered office Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ, United Kingdom
More information can be found at www.csr.com. Follow CSR on Twitter at http://twitter.com/CSR_PLC and read our blog at www.csr.com/blog
One Wall Street
Burlington, Ma 01803
United States
Phone: 781-791-6000
Fax: 781-791-6111
http://www.csr.com/