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61
AT Command Reference Guide of Module Product
ME3630
<CR><LF>+CME ERROR: <err><CR><LF>
+COPS=?
<CR><LF>+COPS: [list of supported (<stat>,long alphanumeric <oper>,short alphanumeric
<oper>,numeric <oper>[,<AcT>])s][,,(list of supported <mode>s),(list of supported
<format>s)]<CR><LF>
<CR><LF>OK<CR><LF>
or
<CR><LF>+CME ERROR: <err><CR><LF>
Parameter
<mode>:
0
automatic (<oper> field is ignored)
1
manual (<oper> field shall be present)
2
deregister from network
3
set only <format> (for read cCOPS?), do not attempt registration/deregistration (<oper> field is ignored); this
value is not applicable in read command response
4
manual/automatic (<oper> field shall be present); if manual selection fails, automatic mode (<mode>=0) is entered
<format>:
0
long format alphanumeric <oper>
1
short format alphanumeric <oper>
2
numeric <oper>
<oper>: string type;
<AcT>: access technology selected:
0
GSM
1
GSM Compact
2
UTRAN
3
GSM w/EGPRS
4
UTRAN w/HSDPA
5
UTRAN w/HSUPA
6
UTRAN w/HSDPA and HSUPA
7
E-UTRAN
<stat>:
0
unknown
1
available
2
current
3
forbidden
Example
AT+COPS=?
+COPS: (1,"CHN-UNICOM","UNICOM","46001",7),(3,"CHN-CT","CT","46011",7),,(0-4),(0-2)
OK
7.4.
AT+CSQ Signal quality
Execution command returns received signal strength indication <rssi> and channel bit error rate <ber> from the MT.
Test command returns values supported as compound values.