Csq-Query Rssi; Command Syntax; Description; Defined Values - Huawei MU509 At Command Interface Specification

HUAWEI MU509 HSDPA LGA Module
AT Command Interface Specification
AT+COPS?
+COPS: 1
OK
Please use the AT+CREG? command to verify the registration status.)
Notes:
(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
+CSQ
+CSQ=?

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
Issue 04 (2013-01-28)
 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.
Possible response(s)
<CR><LF>+CSQ: <rssi>,<ber><CR><LF>
<CR><LF>OK<CR><LF>
<CR><LF>+CSQ: (list of supported <rssi>s),(list of
supported <ber>s)<CR><LF>
<CR><LF>OK<CR><LF>
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