Does the below mean I use CA, even though CA is listed in GUI as "single"?
root@Teltonika-TRB500:~# gsmctl -A AT+QCAINFO
+QCAINFO: "PCC",1750,100,"LTE BAND 3",1,245,-82,-9,-52,9
+QCAINFO: "SCC",3350,100,"LTE BAND 7",1,80,-91,-7,-76,25
+QCAINFO: "SCC",51,50,"LTE BAND 1",2,449,-84,-7,-55,16
+QCAINFO: "SCC",9460,50,"LTE BAND 28",2,38,-66,-7,-41,23