Specifications

GV200 @Track Air Interface Protocol
TRACGV200AN003 – 82 –
algorithm uses these two parameters to judge whether the device is currently being jammed.
The smaller the parameter, the more sensitive.
 <Enter Jamming Timer Threshold>: when the device detects the jamming, the device based
on <Enter Jamming Timer Threshold> parameter to trigger the enter Jamming event.
 <Quit Jamming Timer Threshold>: when the device quits the jamming, the device based on
<Quit Jamming Timer Threshold> parameter to trigger the quit Jamming event.
The acknowledgment message of AT+GTJDC command:
 +ACK:GTJDC,
Example:
+ACK:GTJDC,060100,135790246811220,,0019,20090214093254,11F0$
Parameter Length(byte) Range/Format Default
Protocol Version 6
XX0000 – XXFFFF, X∈{'A'
– 'Z', '0' – '9'}
Unique ID 15 IMEI
Device Name <=20 '0' – '9' 'a' – 'z' 'A' – 'Z' '-' '_' '?'
Serial Number 4 0000 – FFFF
Send Time 14 YYYYMMDDHHMMSS
Count Number 4 0000 – FFFF
Tail Character 1 $ $
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