Siemens MC55 - Manual (Page 193)

MC55 AT Command Set
8.4 AT+CSQ
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MC55_ATC_V01.05 Page 193 of 469 2/10/04
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8.4 AT+CSQ Signal quality
Syntax
Command Description
TA returns received signal strength indication
<rssi>
and channel bit error rate
<ber>
from the ME.
Parameter Description
0 -113 dBm or less
1 -111 dBm
2..30 -109... -53 dBm
31 -51 dBm or greater
99 not known or not detectable
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
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
<rssi>
(num)
<ber>
(num)