GM720 GM725 Quick Installation Guide v.1.0
5
Hardware Description
Performance
Receiver
20 parallel channels
Frequency
L1, 1.57542 GHz, C/A code
Acquisition time
Cold
Approximately 42 seconds, typical TTFF(95%)
Warm
Approximately 38 seconds, typical TTFF(95%)
Hot
Approximately 01 seconds, typical TTFF(95%)
Re-acquisition Once per 0.1 second, continuous
GPS accuracy
Position 2D RMS: approx. 10m
Sensitivity
Acquisition
-149 dBm (average) or less in Normal mode
-159 dBm (average) or less in High sensitivity mode
Tracking
-159 dBm (average) or less
Dynamics
Altitude Max.
18000
m
Velocity Max.
515
m/sec
Acceleration
±
4g
Power
Power Supply +4.5VCD to +5.5VCD