
GT300 @Track Air Interface Protocol
— <movement detect mode>: Enable or disable the movement detect function. Please refer to
chapter 4.3.2 for details.
— <movement speed>: The speed threshold of movement detect. The unit is km/h.
— <movement distance>: The distance threshold of movement detect. The unit is meter.
— <movement send number>: According to the speed threshold and distance threshold, if the
terminal is considered staying at one position, the terminal will send out at most this number
of reports before it moves again.
The acknowledgment message of the AT+GTTRI command:
¾ +ACK:GTTRI,
Example:
+ACK:GTTRI,135790246811220,0002,20090101000002,11F0,0102070202
3.2.4. Geo-Fence Information
The AT+GTGEO command is used to configure the parameters of Geo-Fence. Geo-Fence is a
virtual perimeter on a geographic area using a location-based service, so that when the geofencing
terminal enters or exits the area a notification is generated. The notification can contain
information about the location of the terminal and may be sent to the backend server.
¾ AT+GTGEO=
Example:
AT+GTGEO=gt300,3,121.412248,31.187891,1000,10,3,0003
— <geofence id>: A numeric to identify the Geo-Fence. The valid values are 0, 1, 2, 3, 4.
— <longitude>: The longitude of a point which is defined as the center of the Geo-Fence
circular region. The format is “(-)xxx.xxxxxx” and the value range is from “-180.000000” to
“180.000000”. The unit is degree. West longitude is defined as negative starting with minus
“-” and east longitude is defined as positive without “+”.
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