Telit Wireless Solutions ME910G1 - AT+CSQ - Signal Quality

ME310G1/ME910G1/ML865G1 AT Commands Reference Guide
80617ST10991A Rev.4 Page 125 of 545 2020-04-15
3.2.9. 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
SIM Presence
Setting saved
Can be aborted
MAX timeout
SELINT
Required
No
No
-
2
AT+CSQ
See Additional info sections.
Additional info:
2G Networks
The execution command returns the following message:
+CSQ: <rssi>,<ber>
Name
Type
Default
Description
<rssi>
integer
N/A
measurements of the radio signal power, expressed in
dBm, are mapped to <rssi> as shown below
Values:
0
:
-113 dBm or less
1
:
-111 dBm
2÷30
:
-109 dBm ... -53 dBm; 2 dBm per step
31
:
-51 dBm or greater
99
:
not known or not detectable
<ber>
integer
N/A
measurements of the channel bit error rate, expressed
in %, are mapped to <ber> as shown below
Values:
0
:
less than 0.2%
1
:
0.2% to 0.4%
2
:
0.4% to 0.8%
3
:
0.8% to 1.6%
4
:
1.6% to 3.2%
5
:
3.2% to 6.4%
6
:
6.4% to 12.8%
7
:
more than 12.8%
99
:
not known or not detectable