AT Commands Reference Guide
80529ST10815A Rev.2– 2017-09-14
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+CESQ – Extended Signal Quality
< rxlev > - received received signal strength level (see 3GPP TS 45.008 subclause
8.1.4).
0 - rssi < -110 dBm
1 - -110 dBm rssi < -109 dBm
2 - -109 dBm rssi < -108 dBm
...
61 - -50 dBm rssi < -49 dBm
62 - -49 dBm rssi < -48 dBm
63 - -48 dBm rssi
99 - not known or not detectable or if the current serving cell is not a GERAN cell
<ber> - bit error rate (in percent)
0...7 - as RXQUAL values in the table in 3GPP TS 45.008 subclause 8.2.4
99 - not known or not detectable or if the current serving cell is not a GERAN cell.
<rscp>- received signal code power (see 3GPP TS 25.133 subclause 9.1.1.3 and
3GPP TS 25.123 subclause 9.1.1.1.3).
0 - rscp < -120 dBm
1 - -120 dBm rscp < -119 dBm
2 - -119 dBm rscp < -118 dBm
...
94 - -27 dBm rscp < -26 dBm
95 - -26 dBm rscp < -25 dBm
96 - 25 dBm rscp
255 - not known or not detectable or if the current serving cell is not a UTRA cell
<
ecno>‐ratio of the received energy per PN chip to the total received power
spectral density (see 3GPP TS 25.133 subclause).
0 - Ec/Io < -24 dB
1 - -24 dB Ec/Io < -23.5 dB
2 - -23.5 dB Ec/Io < -23 dB
...
47 - -1 dB Ec/Io < -0.5 dB
48 - -0.5 dB Ec/Io < 0 dB
49 – 0 dB Ec/Io
255 - not known or not detectable detectable or if the current serving cell is not a
UTRA cell
<rsrq>‐reference signal received quality (see 3GPP TS 36.133 subclause 9.1.7).
0 - rsrq < -19.5 dB
1 - -19.5 dB rsrq < -19 dB
2-19 dB rsrq < -18.5 dB
...
32 - -4 dB rsrq < -3.5 dB
33 - -3.5 dB rsrq < -3 dB