Technical data

WMO2 G900 / G1800 / G1900
WCOM/GSM/WMO2/WMO2ATDOC Friday 21 May 1999
WAVECOM confidential © 35
4.3 Network service related commands
4.3.1 Signal Quality +CSQ
This command shall be used to know the received signal strength
indication (<rssi>) and the channel bit error rate (<ber>) with or without
any SIM card inserted.
<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
Application to GSM AT+CSQ
GSM to application +CSQ: <rssi>,<ber>
OK
<rssi> and <ber> as defined above