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HC15 AT Command Set
8.4 AT+CSQ
s
HC15_ATC_V01.001 Page 110 of 234 2/16/07
Confidential / Released
8.4 AT+CSQ Signal quality
The AT+CSQ execute command indicates the quality of the received signal strength.
Syntax
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
99 The indication of the channel bit error rate is not supported. The value is always
99.
Note
After using network related commands such as AT+CCWA, AT+CCFC, users are advised to wait 3s before
entering AT+CSQ. This is recommended to be sure that any network access required for the preceding com-
mand has finished.
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) PIN USB0-MDM USB0-APP Last
GSM 07.07 + + + -
<rssi>
(num)
<ber>
(num)
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