ME310G1/ME910G1/ML865G1 AT Commands Reference Guide
80617ST10991A Rev. 11 Page 210 of 1039 2021-09-23
3.3.11. AT+CSQ - Signal Quality
Execution command returns received signal strength indication <rssi> and channel bit
error rate <ber> from the MT.
[1] 3GPP TS 27.007
[2] 3GPP TS 07.07
[3] 3GPP TS 25.133
AT+CSQ
See Additional info sections.
Additional info:
2G Networks
The execution command returns the following message:
+CSQ: <rssi>,<ber>
measurements of the radio signal
power, expressed in dBm, are
mapped to <rssi> as shown below
-109 dBm ... -53 dBm; 2 dBm per step