Multi-Tech Systems MTSGSM manual Registers, +Csq

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>.

42 MTSGSM