Queclink GL200 Especificações descarregar pdf (Página 68)

GV300 @Track Air Interface Protocol

3.2.26. Jamming Detection

The command AT+GTJDC is used to configure the parameter for jamming detection. When the

detection condition is matched, the device will report +RESP:GTJDR event message to the

backend server.

¾ AT+GTJDC=

Example:

AT+GTJDC=gv300,1,10,40,,,,,1,1,15,5,,0019$

Parameter Length(byte) Range/Format Default

Password 4 – 6 '0' – '9' 'a' – 'z' 'A' – 'Z' Gv200

Mode 1 0|1 0

Signal Threshold <=3 0 – 255 10

C1 Threshold <=3 0 – 255 40

Reserved 0

Output ID 1 0 – 3 0

Output Status 1 0|1

Duration <=3

0～255(×100ms)

Toggle Times <=3 0 – 255 0

Reserved 0

Serial Number 4 0000 – FFFF

Tail Character 1 $ $

 <Mode>: Working mode.

z 0: Disable this function.

z 1: Enable this function.

 <Signal Threshold>, <C1 Threshold>: The built-in jamming detection algorithm uses these

two parameters to judge whether the device is currently being jammed. The smaller the

parameter, the more sensitive.

The acknowledgment message of AT+GTJDC command:

¾ +ACK:GTJDC,

TRACGV300AN002 – 67 –

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