GPS
GPS functions include:
l
NMEA protocol (to update all data points)
l
Novatel Wireless Binary Packets
l
Buffered GPS message feature
l
Geo-fencing (helps secure devices within a defined location)
l
Virtual odometer (uses GPS technology to track devices)
GPS Measurements
Dimension
Measurement
Time to first fix - Cold Start @ -130 dBm with 20 m accuracy
< 60 sec
Time to first fix - Hot Start @-130 dBm with 20 m accuracy
≤ 3 sec
Time to first fix - Reacquisition @-130 dBm with 20 m accuracy
< 3 sec
Acquisition Sensitivity with 50 m accuracy
< -140 dBm
Tracking sensitivity with < 50 m accuracy
< -157 dBm
Tracking sensitivity with > 50 m accuracy
-162 dBm
Accuracy, R 95%, Clear view of the sky, 24 hours
< 15 meters
For more information on NMEA and Binary Packets, see Novatel Wireless document
MT Decoding NMEA
Messages Application Note
(ENF0000AN010).
For more information on Virtual Odometer, see Novatel Wireless document
API Reference
(ENF0000AN010).
MT 4100 User Guide
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