
GSM/GPRS Module
M35 AT Commands Manual
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+CSQ: (0-31,99),(0-7,99)
OK
AT+CSQ
+CSQ: 28,0
// Query the current signal strength indication is 28 and
the bit error rate is 0
OK
6.4. AT+CPOL Preferred Operator List
Parameter
AT+CPOL Preferred Operator List
Test Command
AT+CPOL=?
Response
+CPOL:
(list of supported
<index>
s)
,
(list of supported
<format>
s)
OK
Read Command
AT+CPOL?
Response
+CPOL: <index1>,<format>,<oper1>
[<CR><LF>+CPOL: <index2>,<format>,<oper2>
[…]]
OK
+CME ERROR: <err>
Write Command
AT+CPOL=<index>[,<format>[,<oper>
]]
Response
OK
+CME ERROR: <err>
Reference
GSM 07.07
<index>
I
Integer type: order number of operator in SIM preferred operator list
<format>
0
Long format alphanumeric
<oper>
1
Short format alphanumeric
<oper>
2
Numeric
<oper>
<oper>
String type: <format> indicates either alphanumeric or numeric format is used (see
+COPS
command)