I am not getting any response from the AT+QCOPS=7,1 command

End-of-Life Product Cellular IoT HAT
1

Hi, on the Raspberry Pi Cellular IoT HAT – LTE-M & NB-IoT & eGPRS, I am not getting any response from the AT+QCOPS=7,1 command. When I type AT+QCOPS=7,0, I get a correct response after ~30 minutes. Thoughts?

Thanks, Joe

2

Hi @jessonj,
Are you using a roaming sim card? In roaming scenario, module will search higher priority PLMN in 30min/50min/2hr. The timer depend on the sim provisioning. And CAT-NB band searching indeed takes a very long time.