Siemens AC75 manual AT+CSQ Signal quality, At+Csq=?, +CSQ rssi,ber

AC75 AT Command Set

8.5 AT+CSQ

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8.5AT+CSQ Signal quality

The AT+CSQ execute command indicates the received signal strength <rssi> and the channel bit error rate <ber>.

Syntax

Test Command

AT+CSQ=?

Response(s)

+CSQ: (list of supported<rssi>s), (list of supported<ber>s)

OK

Exec Command

AT+CSQ

Response(s)

+CSQ: <rssi>,<ber>

OK

Reference(s)

GSM 07.07

PIN ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge 4 Last

- + + + + + + - - -

Parameter Description

<rssi>(num)

0	-113 dBm or less
1	-111 dBm
2..30	-109... -53 dBm
31	-51 dBm or greater
99	not known or not detectable
<ber>(num)
0..7	as RXQUAL values in the table in GSM 05.08 section 8.2.4.
99	not known or not detectable

Note

•After using network related commands such as AT+CCWA, AT+CCFC, AT+CLCK, users are advised to wait 3s before entering AT+CSQ. This is recommended to be sure that any network access required for the preceding command has finished.

AC75_ATC_V01.002	Page 203 of 569	10/30/06
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