Siemens MC55 manual AT+CSQ Signal quality, At+Csq=?, +CSQ rssi,ber

MC55 AT Command Set

8.4 AT+CSQ

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mobile

8.4AT+CSQ Signal quality

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

PIN ASC0 ASC1 MUX1 MUX2 MUX3

￿ ￿ ￿ ￿ ￿ ￿

Reference(s)

GSM 07.07

Command Description

TA returns received signal strength indication <rssi> and channel bit error rate <ber> from the ME.

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)

To check the bit error rate there must be a call in progress to obtain realistic values. If no call is set up, there is no BER to be determined. In this case the indicated value may be 0 or 99, depending on the SIM card.

0..7	as RXQUAL values in the table in GSM 05.08 section 8.2.4.
99	not known or not detectable

MC55_ATC_V01.05	Page 193 of 469	2/10/04
Confidential / Released