HUAWEI MU509 HSDPA LGA Module
AT Command Interface Specification
Network Service Commands
Issue 04 (2013-01-28)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
187
AT+COPS?
+COPS: 1
OK
Please use the AT+CREG? command to verify the registration status.)
Notes:
We cannot manually search the UTRAN network when current setting is GSM
ONLY(mode=13) mode which set by ^SYSCFG.
We cannot manually search the GSM network when current setting is WCDMA
ONLY(mode=14) mode which set by ^SYSCFG.
ERROR will be returned in this situation.
(4) Query the status of the ME's network registration using the read command:
AT+COPS? (query the information of the network currently logged in)
+COPS: 1,2,46000 (command returns mode, format, registered operator)
OK
14.4 +CSQ–Query RSSI
14.4.1
Command Syntax
Command
Possible response(s)
+CSQ
<CR><LF>+CSQ: <rssi>,<ber><CR><LF>
<CR><LF>OK<CR><LF>
+CSQ=?
<CR><LF>+CSQ: (list of supported <rssi>s),(list of
supported <ber>s)<CR><LF>
<CR><LF>OK<CR><LF>
14.4.2
Description
The SET command returns the RSSI and BER of ME.
The TEST command returns the supported RSSI and BER values.
14.4.3
Defined Values
<rssi>: Indication of the receiving signal strength
0: Equals to or less than
–113 dBm