SiRF Star III high performance GPS chipset.

Specifications

Chipset: SiRF Star III
Frequency: L1, 1575.42 MHz
C/A code: 1.023 MHz chip rate
Channels: 20 channel all-in-view tracking
Sensitivity: -159 dBm
Accuracy Position: 10 meters, 2D RMS
5 meters, 2D RMS, WAAS enabled
Velocity: 0.1 m/s
Time: 1us synchronized to GPS time
Datum: WGS-84
Reacquisition: 0.1 sec., average
Hot start: 1 sec., average
Warm start: 38 sec., average
Cold start: 42 sec., average
Altitude: 18,000 meters (60,000 feet) max
Velocity: 515 meters /second (1000 knots) max
Acceleration: Less than 4g
Jerk: 20m/sec
Power consumption: 80mA
Protocol Electrical level: TTL level,
Baud rate: 4,800 bps
Output message: NMEA 0183 GGA, GSA, GSV, RMC, VTG, GLL
Dimension: 53mm diameter, 19.2mm height
Cable length: 65 inch
Operating temperature: -40C to +85C