Westermo GD-01 - Manual (Page 26)

26 6196-2220
Network service commands
+CSQ – Signal Quality
Description:
This command is used to ascertain the received signal strength indication (<rssi>)
and the channel bit error rate (<ber>) with or without a SIM card inserted.
Syntax:
AT+CSQ
Command example Possible responses Note
AT+CSQ +CSQ: <rssi>,<ber> <rssi> and <ber>
as defined below
OK
Defined values:
<rssi>
0: –113 dBm or less
1: –111 dBm
2–30: –109 to –53 dBm
31: –51dBm or greater
99: not known or not detectable
<ber>
0–7: as RXQUAL values in the table GSM 05.08
99: not known or not detectable
B A C K