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7.4 Technical parameters of GPS
GPS is not available when the router is equipped with the LTE module 450 MHz!
GPS specifications
Antenna
Protocols
Frequency
Sensitivity
Acquisition time
Accuracy
Tracking sensitivity is the lowest GPS signal level for which the device can still detect an
in-view satellite 98 % of the time when in sequential tracking mode.
Acquisition sensitivity is the lowest GPS signal level for which the device can still detect an
in-view satellite 50 % of the time.
50 Ohms – active
NMEA 0183 v3.0
1575.42 MHz
Tracking: -161 dBm
Acquisition (Assisted): -158 dBm
Acquisition (Standalone): -145 dBm
Hot start: 1 s
Warm start: 29 s
Cold start: 32 s
Horizontal: < 2m (50 %); < 5 m (90 %)
Altitude: < 4 m (50 %); < 8 m (90 %)
Velocity: < 0.2 mps
Table 24: Technical parameters of GPS
34
LR77 v2
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