GSM/GPRS Module
M35
AT Commands Manual
M35
_AT_Commands_Manual Confidential / Released 55 / 186
Parameter
If the SIM supports GID files, the GID values are returned. Otherwise 0xff is returned.
5.10. AT+QSIMVOL Select SIM Card Operating Voltage
Parameter
AT+QSIMVOL
can take effect only when the command is set successfully and the module is restarted.
<gid1>
Integer type of SIM card group identifier 1
<gid2>
Integer type of SIM card group identifier 2
AT+QSIMVOL Select SIM Card Operating Voltage
Test Command
AT+QSIMVOL=?
Response
+QSIMVOL:
(list of supported
<mode>
s)
OK
Read Command
AT+QSIMVOL?
Response
+QSIMVOL: <mode>
OK
Write Command
AT+QSIMVOL=<mode>
Response
OK
ERROR
+CME ERROR: <err>
Reference
<mode>
0
Recognize 1.8V and 3.0V SIM card (Default)
1
Recognize 1.8V SIM card only
2
Recognize 3.0V SIM card only
NOTE
NOTE