I have several CC864 modules for evaluation. One will not register with the cell network (+CREG: 0,0) all the time. I don’t think it is an antenna problem (it can get a GPS fix using the shared antenna) and this module isn’t yet provisioned with the carrier.
In addition at+csq returns +CSQ: 17,99 so the signal is strong. AT#CAI looks ok:
What could be wrong? Is there a way to debug this or force it to register?
He are following the issue directly with the customer. It should be related to module/network (Verizon) activation.
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