Urc Description; Disturbed Indicator; Jammer Removal Indicator - Quectel WCDMA Application Note

Jamming detection umts/hspa module
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Read Command
AT+QJDR?
Write Command
AT+QJDR=<mode>
Parameters
<mode>
Disable or enable the jamming detection function
0
Jamming Detection function is disabled (default is 0)
1
Jamming Detection function is enabled
About URC description, please refer to Chapter 3.3

3.3. URC Description

3.3.1. Disturbed Indicator

If the module detects a Jammer, it will send the URC "+QJDR: JAMMED" to the serial port.
Indication of Jammer Presence
+QJDR: JAMMED

3.3.2. Jammer Removal Indicator

If the Jammer was removed then it will send the message "+QJDR: NOJAMMING" to the serial port.
Indication of Jammer Removal
+QJDR: NOJAMMING
WCDMA_Jamming_Detection_Application_Note
WCDMA Jamming Detection Application Note
Response
If <mode> was set to "1" which means enable the
jamming detection function, return:
+QJDR: NOJAMMING
or
+QJDR: JAMMED
OK
If <mode> was set to "0" which means disable the
jamming detection function, return:
+QJDR: 0
OK
Response
OK
ERROR
Confidential / Released
UMTS/HSPA Module Series
9 / 13

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