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AT+CSQ
This command is used to control the GSM quality signal.
For further information on AT+CSQ command, see the chapter "Functional Examples".
Command
AT+CSQ
<rssi>
Reception level
0
-113 dBm or less
1
-111 dBm
2...30
-109...-53 dBm
31
-51 dBm or greater
99
unknown or not detectable
Note: each unit corresponds to 2 dBm
<ber>
bit error rate
0
ber < 0,2%
1
0,2% < ber < 0,4%
2
0,4% < ber < 0,8%
3
0,8% < ber < 1,6%
4
1,6% < ber < 3,2%
5
3,2% < ber < 6,4%
6
6,4% < ber < 12,8%
7
ber > 12,8%
99
unknown or not detectable
28
GSM Signal Quality
Possible answers
+CSQ: <rssi>,<ber>
OK
Action
Reads the signal power and ber
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