UMTS/HSPA Module Series
WCDMA Jamming Detection Application Note
WCDMA_Jamming_Detection_Application_Note Confidential / Released 12 / 13
+QJDCFG: "period",(0-120)
+QJDCFG: "mnl",(0-31)
+QJDCFG: "minch",(0-254)
+QJDCFG: "maxrscp",(-85~-60)
+QJDCFG: "maxecio",(20-70)
+QJDCFG: "minsqual",(-30~10)
+QJDCFG: "maxsrxlev",(25-60)
+QJDCFG: "pscanfinelev",(-500~800)
OK
AT+QJDCFG?
//Query the current parameter configuration.
+QJDCFG: "urc",0
//The default configuration of <urcenable> is 0. It represents that reporting
jamming status via URC is disabled.
+QJDCFG: "period",0
//The default value of the <period> is 0. It represents that reporting jamming
status via URC periodically is disabled.
+QJDCFG: "mnl",17
+QJDCFG: "minch",5
+QJDCFG: "maxrscp",-80
+QJDCFG: "maxecio",40
+QJDCFG: "minsqual",-5
+QJDCFG: "maxsrxlev",30
+QJDCFG: "pscanfinelev",100
OK
AT+QJDCFG="URC",1
//Enable URC output
OK
AT+QJDCFG=
“period”,5
//Set <period> is 5. It represents that jamming status is reported via URC
through serial port every 5 seconds.
OK
AT+QJDCFG=
“mnl”,16
//Set <mnl> as 16.
OK
AT+QJDCFG=
“minch”,6
//Set <minch> as 6.
OK
AT+QJDR=1
/
/Enable Jamming Detection function.
OK
//Turn on jammer
+QJDR: JAMMED
//Jamming has been detected and reported.
//Turn off jammer
+QLJDR: NOJAMMING
//Report that the jammer has been removed.
AT+QJDR=0
//Disable Jamming Detection function.
OK
Quectel
Confidential
