Gps; Gps Measurements - Novatel MT 4000 User Manual

GPS

GPS functions:
NMEA protocol (to update all data points)
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Novatel Wireless M2M Binary Packets
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Buffered GPS message feature
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Geo-fencing (helps secure devices within a defined location)
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You can configure Novatel Wireless M2M MT 4000 to send GPS messages to a
remote user (server) when a device enters or exits a geo-fenced area.
Configure the geo-fence feature with 2 AT Commands: AT$GEOFNC and
AT$EVENT.
Virtual odometer (uses GPS technology to track devices)
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For more details on NMEA and Binary Packets, please see Novatel Wireless M2M Application
note ENF0000AN010.
For more details on Virtual Odometer, please see Novatel Wireless M2M document
ENF0000CB001 - API Reference.
For more details, please see Novatel Wireless M2M document GSM0308UG001 - Novatel
Wireless M2M GSM/GPRS Family API Reference.

GPS Measurements

Dimension
Time to first fix - Cold Start @ -130 dBm with 20 m accuracy:
Time to first fix - Hot Start @-130 dBm with 20 m accuracy
Time to first fix - Reacquisition @-130 dBm with 20 m accuracy < 3 sec
Acquisition Sensitivity with 50 m accuracy
Tracking sensitivity with < 50 m accuracy
Tracking sensitivity with > 50 m accuracy
Accuracy, R 95%, Clear view of the sky, 24 hours
Measurement
< 60 sec
≤ 3 sec
< -140 dBm
< -157 dBm
-162 dBm
< 15 meters
7 novatelwireless.com