Telit LE910 V2 Series AT Commands
80446ST10707A Rev. 0– 2015-11-03
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Mod. 0808 2011-07 Rev.2
Test command returns the supported range of values of the parameters <rssi> and
<ber>.
Note: although +CSQ is an execution command without parameters, ETSI 07.07
requires the Test command to be defined.
Extended Signal Quality - +CESQ
+CESQ – Extended Signal Quality
Execution command reports received signal quality parameters in the form:
+CSQ: <rxlev>,<ber>,<rscp>,<ecno>,<rsrq>,<rsrp>
Where
< 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
10 - -120 dBm ≤ rscp < -119 dBm
20 - -119 dBm ≤ rscp < -118 dBm
...
940 - -27 dBm ≤ rscp < -26 dBm
950 - -26 dBm ≤ rscp < -25 dBm
960 - 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).