Dear @silvia
My CA issue resolved by RM520N-EU module.
AT+QCAINFO
+QCAINFO: “PCC”,1548,100,“LTE BAND 3”,1,457,-80,-14,-42,6
+QCAINFO: “SCC”,100,100,“LTE BAND 1”,1,457,-86,-14,-60,6,0,-,-
+QCAINFO: “SCC”,6300,50,“LTE BAND 20”,1,457,-77,-10,-57,9,0,-,-
+QCAINFO: “SCC”,2850,100,“LTE BAND 7”,1,457,-83,-10,-64,7,0,-,-
+QCAINFO: “SCC”,643320,12,“NR5G BAND 78”,145
Thanks a lot