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GV300 @Track Air Interface Protocol

the unit is second. If <report mode> in AT+GTSRI is set to force on SMS, this should be

greater than 15 seconds.

 <Distance>: the specified distance to send the position information when <Mode> is 2. Unit:

meter.

 <Mileage>: the specified length to send the position information when <Mode> is 3 and 4.

Unit: meter.

 <Corner Report>: The threshold to determine whether the device is turning around a corner.

0 to disable the corner report. For other values, the device will compare the current heading

with the last known corner, if the difference is greater than or equal to this value, send the

corner report with +RESP:GTFRI.

 <IGF Report Interval>: Period to fix and send the position information when <Power

Saving Mode> in AT+GTCFG is set to 2 and the engine is off and if <Mode> is set to 1

(Fixed Timing Report). Its value range is 300 – 86400 and the unit is second.

The acknowledgment message of AT+GTFRI command:

¾ +ACK:GTFRI,

Example:

+ACK:GTFRI,060100,135790246811220,,0009,20090214093254,11F0$

Parameter Length(byte) Range/Format Default

Protocol Version 6

XX0000 – XXFFFF,

X∈{‘A’ – ‘Z’,’0’ – ‘9’}

Unique ID 15 IMEI

Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z'

Serial Number 4 0000 – FFFF

Send Time 14 YYYYMMDDHHMMSS

Count Number 4 0000 – FFFF

Tail Character 1 $ $

TRACGV300AN002 – 34 –

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Queclink GL200 Spezifikationen Seite 35