Novatel GSM2448UG001, User Manual, Page: 18 / 46

7 novatelwireless.com
GPS
GPS functions:
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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)
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
.
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Virtual odometer (uses GPS technology to track devices)
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 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