Quectel BC26 Manual page 14

-27 dBm ≤ <rscp> < -26 dBm
94
-26 dBm ≤ <rscp> < -25 dBm
95
-25 dBm ≤ <rscp>
96
255 not known or not detectable
<ecno> Integer type, Ec/No (see 3GPP 25.133)
0 -24 dBm or less
-24dBm ≤ <ecno> < -23.5 dBm
1
-23.5dBm ≤ <ecno> < -23 dBm
2
...: ...
-1dBm ≤ <ecno> < -0.5 dBm
47
-0.5dBm ≤ <ecno> < 0 dBm
48
0 dBm ≤ <ecno>
49
255 not known or not detectable
<rsrq> Integer type, reference signal received quality (see 3GPP 36.133)
0 -19.5 dB or less
-19.5dB ≤ <rsrq> < -19 dB
1
-19dB ≤ <rsrq> < -18.5 dB
2
...: ...
-4 dB ≤ <rsrq> < -3.5 dB
32
-3.5 dB ≤ <rsrq> < -3 dB
33
-3 dB ≤ <rsrq>
34
255 not known or not detectable
<rsrp> Integer type, reference signal received power (see 3GPP 36.133)
0 -140 dBm or less
-140dBm ≤ <rsrp> < -139 dBm
1
-139dBm ≤ <rsrp> < -138 dBm
2
...: ...
-46dBm ≤ <rsrp> < -45 dBm
95
-45dBm ≤ <rsrp> < -44 dBm
96
-44dBm ≤ <rsrp>
97
255 not known or not detectable
Example
AT+CESQ
+CESQ: 15,99,255,255,8,30
OK
BC26_AT_Commands_Manual
NB-IoT Module Series
BC26 AT Commands Manual
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