Data Sheet

Smart Machine Smart Decision
+SJDR: <status>,<mode>,<var>,<display>,<result>
OK
Parameters
See Write Command
Response
OK
ERROR
If error is related to ME functionality:
+CME ERROR: <err>
Unsolicited result codes supported:
+SJDR: NO JAMMING
or
+SJDR: JAMMING DETECTED
or
+SJDR: INTERFERENCE DETECTED
Write Command
AT+SJDR=<status>
[,<mode>][,<var>[,
<display>]]
Parameters
<status>
0 disable jamming detection
1 enable jamming detection
<mode>
0 should inquire status by reading command;
1 only report jamming status via URC from serial port;
2 only report jamming status via the PIN;
3 report jamming status via URC as well as the PIN.
<var> The threshold to separate “+SJDR: JAMMING
DETECTED” from “+SJDR: INTERFERENCE
DETECTED” (while the signal strength variance is
higher than <var>, there could be industrial interferences ,
and “+SJDR: INTERFERENCE DETECTED” is
reported).
1-255(default value:255)
<display>
0 report jamming status via URC every 3000ms. (only
when <mode> is set to “1” or “3”)
1 report jamming status via URC when jamming status
changed.(only when <mode> is set to “1” or “3”)
Parameter Saving NO_SAVE
Mode
Max Response Time -
SIM800 Series_AT Command Manual_V1.05 188 2014-07-31