Description; Defined Values; Rssi Level Query Function Command + Csqlvl; Command Syntax - Huawei EM770W At Command Interface Specification

+CSQ=?

3.7.2 Description

The EXECUTION command returns the RSSI and BER of ME.
The TEST command returns the supported RSSI and BER values.

3.7.3 Defined Values

<rssi>: Indication of the receiving signal strength
0
1
2...30
31
99
<ber>(bit error rate): Currently, the BER query is not supported, and 99 will be
returned after issuing the EXECUTION or TEST command.

3.8 RSSI level query function command + CSQLVL

3.8.1 Command Syntax

Command
+CSQLVL
+CSQLVL=?

3.8.2 Interface Description

This command is used to periodically reset the module automatically.

3.8.3 Defined Values

< uiPercent >: The grid of the signal.
0~5: Indicate the signal intensity.
<rssi>: Indication of the receiving signal strength
0
1
2...30
Issue 18 (2009-06-22)
<CR><LF>+CSQ: (list of supported <rssi>s),(list of
supported <ber>s) <CR><LF><CR><LF>OK<CR><LF>
Equal to or less than -113 dBm
-111 dBm
-109... -53 dBm
Equal to or higher than -51 dBm
Unknown or unmeasurable.
Equal to or less than -113 dBm
-111 dBm
-109... -53 dBm
Commercial in Confidence
HUAWEI UMTS M2M Module V100R001
AT Command Interface Specification
Possible response(s)
<CR><LF><uiPercent>,<rssi><CR><LF>
<CR><LF> +CSQLVL:
<uiPercent>,<rssi><CR><LF><CR><LF>OK<CR><
LF>
Page 30 of 169