1,SiRF Star III Low power solution 2.capable of SBAS (WAAS, EGNOS, MSAS) 3.Support 20-channel GPS 3.Fast TTFF at low signal rs232 bluetooth GPS receiver Features1.SiRF Star III Low power solution2.Support 20-channel GPS3.Fast TTFF at low signal level4.capable of SBAS (WAAS, EGNOS, MSAS)5,.Built-in LNA and SAW filter6.Connecting PC with USB port rs232 bluetooth GPS receiver