you can enable the +WDSI indication:
at+wdsi?
+WDSI: 0
OK
at+wdsi=4479
OK
ati3
Manufacturer: Sierra Wireless, Incorporated
Model: WP7609
Revision: SWI9X07Y_02.28.03.05 000000 jenkins 2019/07/08 11:04:16
IMEI: 359782080100399
IMEI SV: 6
FSN: WA803370010610
+GCAP: +CGSM
OK
at!gstatus?
!GSTATUS:
Current Time: 790 Temperature: 35
Modem Mitigate Level: 0 ModemProc Mitigate Level: 0
Reset Counter: 1 Mode: ONLINE
System mode: LTE PS state: Attached
IMS reg state: NOT REGISTERED IMS mode: Normal
IMS Srv State: NO SMS,NO VoIP
LTE band: B3 LTE bw: 10 MHz
LTE Rx chan: 1851 LTE Tx chan: 19385
LTE CA state: INACTIVE
EMM state: Registered Normal Service
RRC state: RRC Idle
PCC RxM RSSI: -57 RSRP (dBm): -83
PCC RxD RSSI: -92 RSRP (dBm): -124
Tx Power: 0 TAC: 0652 (1618)
RSRQ (dB): -9 Cell ID: 01A1560B (27350539)
SINR (dB): 14.6
OK
at+wdss=1,1
OK
+WDSI: 4
+WDSI: 6
+WDSI: 23,0
+WDSI: 4
+WDSI: 6
+WDSI: 23,1