Template: RM50X 双SIM卡切换说明

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SIM Card Selection

Dual SIM Card Switching

The 5G HAT has two SIM card slots onboard, a dual SIM card, and single standby, which can be switched and enabled by AT command.

  • SIM card 1 is selected by default, You can use the following command to query and confirm:
AT+QUIMSLOT?
  • To switch SIM card 2, please use the following command:
AT+QUIMSLOT=2
  • Switch back to SIM card 1, please use the following command:
AT+QUIMSLOT=1
  • Check whether the corresponding card slot recognizes the SIM card:
AT+CPIN?
RM500U-CN and RM500Q-GL support Dual SIMs, but RM500Q-AE and RM502Q-AE modules do not support dual SIM cards.
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