Technical reference section

AT+CSQ - Signal quality

The quality of the radio connection between the GSM module and the base station varies depending on environmental conditions. This command provides you with infor- mation on the current reception quality.

 

 

 

AT+CSQ

 

 

 

Command

 

Result

 

 

 

AT+CSQ

 

Displays current receive values.

 

 

 

AT+CSQ=?

 

Displays a list of values representing receive levels and

 

 

 

receive errors.

 

 

 

 

 

 

 

 

 

 

 

AT+CSQ, AT+CSQ=?

 

 

 

Command

 

AT+CSQ

 

 

 

Result code

 

+CSQ: <receive level>, <receive errors>

 

 

<receive level>

 

 

 

 

 

0

 

 

-113 dBm or less

 

 

 

 

1

 

 

-111 dBm

 

 

 

 

2...30

 

 

-109... -53 dBm

 

 

 

 

31

 

 

-51 dBm or greater

 

 

 

 

99

 

 

Unknown or cannot be detected

 

 

 

<receive

 

(As a percentage): See GSM 05.08, section 8.2.4, Range

errors>

 

of Parameter.

 

 

 

 

99

 

 

Unknown or cannot be detected

 

 

 

 

 

 

 

Example:

 

 

 

Enter:

AT+CSQ

GSM module:

+CSQ: 10, 1

 

 

OK

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Siemens M1 manual AT+CSQ Signal quality, At+Csq, Receive, Errors, +CSQ 10

M1 specifications

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