MultiMobile SoftGSM User Guide

+CSQ

Signal quality

Syntax

AT+CSQ for signal strength

 

The response is +CSQ: <rssi>,<ber>

 

AT+CSQ=? for a list of supported values.

 

The response is +CSQ: (list of supported <rssi>),( list of supported <ber>)

 

Error codes is returned as +CME ERROR: <err>:

Description

The AT+CSQ command returns the signal strength and bit error rate.

Defined values

Meaning

<rssi>

 

0

-113 dBm or less

1

-111 dBm

2.30-109 to –53 dBm

31

-51 dBm or greater

99

Not known or not detectable

<ber>

 

0-7

As RXQUAL………….

99

Not known or not detectable

S-Registers

S0

Auto answer ring count

Description

Defines the number of rings on an incoming call before the modem tries to answer

 

the call.

Values

Meaning

0

The modem is not answering any incoming calls. This is the default value

1.255

The modem is in autoanswer mode and answer the call of the specified number of

rings.

 

S1

Ring counter

Description

Returns the current ring count. This register counts the incoming ring signals.

S2

Escape character

Description

Defines what ASCII character is used for the escape sequence (‘+++’).

Value

Meaning

0-255

The ASCII value used for the escape sequence. The default value is 43 which

 

corresponds to an ASCII ‘+’.

S3

Carriage return character

Description

Defines what ASCII character is used for carriage return (end-of-line).

Value

Meaning

0-255

The ASCII value used for the carriage return character. The default value is 13 which

 

corresponds to an ASCII <CR>.

S4

Line feed character

Description

Defines what ASCII character is used for linefeed.

Value

Meaning

0-255

The ASCII value used for the linefeed character. The default value is 10 which

 

corresponds to an ASCII <LF>.

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MTSGSM

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Multi-Tech Systems MTSGSM manual Registers, +Csq

MTSGSM specifications

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