Can I change 3G/LTE automatically using EC21

Hello, I want switch 3G/LTE automatically in runtime.
So I tried to get another network info for switch network.

  • AT+QENG=”neighbourcell” : it doesn’t work on 3g. I guess not supported using EC21 on 3g.
  • AT+QOPS : it’s for idle mode. so I can’t using this command.
    Do you have another solution?
    Does EC21 support automatic switch?
    Thanks for your help!

You can configure the network using the instructions shown in the figure above.