Queclink GMT100 Especificações descarregar pdf (Página 61)

GMT00 @Track Air Interface Protocol

TRACGMT100AN001 – 60 –

3.2.23. 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.

 AT+GTJDC=

Example:

AT+GTJDC=gmt100,1,10,40,,,,,1,1,15,5,,0016$

Parameter

Length(byte)

Range/Format

Default

Password

4 – 6

'0' – '9' 'a' – 'z' 'A' – 'Z'

gmt100

Mode

0|1

Signal Threshold

<=3

0 – 255

C1 Threshold

<=3

0 – 255

Reserved

Output ID

0 – 2

Output Status

0|1

Duration

<=3

0～255(×100ms)

Toggle Times

<=3

0 – 255

Reserved

Serial Number

0000 – FFFF

Tail Character

 <Mode>: Working mode.

 0: Disable this function.

 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:

 +ACK:GTJDC,

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