Specification
Chipset：SiRF Star IV
Frequency：L1, 1575.42 MHz
C/A code：1.023 MHz chip rate
Channels：48 channel all-in-view tracking
Sensitivity： -163 dBm
Update rate : 1Hz / 5Hz
Accuracy
Position：<2.5m
Velocity：<0.01 m/s
Time：1us synchronized to GPS time
Datum
Default：WGS-84
Acquisition Time
Reacquisition：0.1 sec., average
Hot start：<1 sec.
Warm start：<35 sec. (<15s with CGEE)
Cold start：<35 sec. (<15s with CGEE)
Dynamic Conditions
Altitude：18,000 meters 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：70mA
Protocol
Baud rate：4,800 bps
Output message：NMEA 0183 GGA, GSA, GSV, RMC, VTG, GLL
Physical Characteristics
Dimension：62mm diameter, 21mm height
Cable length：4.5 m
Operating temperature： -40 to +85 deg C