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62
AT Command Reference Guide of Module Product
ME3630
Command
Response
+CSQ
<CR><LF>+CSQ: <rssi>,<ber><CR><LF>
<CR><LF>OK<CR><LF>
or
<CR><LF>+CME ERROR: <err><CR><LF>
+CSQ=?
<CR><LF>+CSQ: (list of supported <rssi>s),(list of supported <ber>s) <CR><LF>
<CR><LF>OK<CR><LF>
Parameter
<rssi>:
0
-113 dBm or less
1
-111 dBm
2...30 -109... -53 dBm
31
-51 dBm or greater
99
not known or not detectable
<ber> (in percent):
0...7
as RXQUAL values in the table in GSM 05.08 subclause 8.2.4
0 – <0.01%
1 – 0.01% --- 0.1%
2 – 0.1% --- 0.5%
3 – 0.5% --- 1.0%
4 – 1.0% --- 2.0%
5 – 2.0% --- 4.0%
6 – 4.0% --- 8.0%
7 – more than 8.0%
99
not known or not detectable
Example
AT+CSQ
+CSQ: 17,99
OK
7.5.
AT+CPOL Preferred operator list
This command is used to edit the PLMN selector with Access Technology lists in the SIM card or active application in the
UICC(GSM or USIM).
Execute command writes an entry in the SIM/USIM list of preferred PLMNs. If no list has been previously selected, the User
controlled PLMN selector with Access Technology, EF
PLMNwAcT,
is the one accessed by default. If <index> is given but <oper> is left out,
entry is deleted. If <oper> is given but <index> is left out, <oper> is put in the next free location. If only <format> is given, the format
of the <oper> in the read command is changed. The Access Technology selection parameters, <GSM_AcT>, <GSM_Compact_AcT>
and <UTRAN_AcT>, are required when writing User controlled PLMN selector with Access Technology, EF EF
PLMNwAcT
, Operator
controlled PLMN selector with Access Technology EF
OPLMNwAcT
and HPLMN selector with Access Technology EF
HPLMNwAcT
, see TS
31.102.
Read command returns all used entries from the SIM/USIM list of preferred PLMNs, previously selected by the cCPLS,
with the Access Technologies for each PLMN in the list.