General

Chipset: SiRF StarⅢ
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
Default: WGS-84 
Acquisition Time

Reacquisition: 0.1 sec., average 
Hot start : 1 sec., average 
Warm start: 38 sec., average 
Cold start: 42 sec., average 
Dynamic Conditions
Altitude: 18,000 meters (60,000 feet) max 
Velocity: 515 meters /second (1000 knots) max 
Acceleration: Less than 4g 
Jerk   : 20m/sec **3 
Power
Main power input: 4.5V ~ 6.5V DC input 
Power consumption: 60mA 
Protocol
Electrical level: TTL level, Output voltage level: 0V ~ 2.85V ,RS-232 level 
Baud rate: 4,800 bps 
Output message: NMEA 0183 GGA, GSA, GSV, RMC, VTG, GLL 
Physical Characteristics 
Dimension: 30mm*30mm*10.5mm ±0.3mm 
Operating temperature: -40℃ to +85℃