�� SiRF Star IV high performance GPS Chipset

�� Very high sensitivity (Tracking Sensitivity: -163 dBm)

�� Extremely fast TTFF (Time To First Fix) at low signal level

�� Support UART interface.

�� Built-in LNA(with in CHIP)

�� Compact size (30mm x 30mm x 10.7mm) suitable for space-sensitive application

�� Support NMEA 0183 V3.0 (GGA, GSA, GSV, RMC, VTG, GLL, ZDA)

�� Support OSP protocol

�� Support SBAS (WASS, EGNOS, MSAS, GAGAN)

POWER Supply

Main power supply(VCC) 4.5 - 6.5 V

Backup battery supply 2.0 - 3.5 V

Main power supply Current 50  mA

Sensitivity

Tracking : -163dBm

Autonomous acquisition : -160dBm

Cold Start – < 35s

Autonomous <15s (with CGEE)

Warm Start – Autonomous2 < 15s(with CGEE)

Time-To-First-Fix1

Hot Start – Autonomous3 < 1s

Horizontal Position Accuracy Autonomous < 2.5m

Velocity Accuracy5 Speed:  < 0.01 m/s

Heading   < 0.01 degrees

Reacquisition 0.1 second, average

Update Rate 1 Hz / 5 Hz

Maximum Altitude < 18,000 meter

Maximum Velocity < 515 meter/ second

Maximum Acceleration < 4G