Check registration status in Quectel modules

Cellular devices needs to be registered with the cellular network because they can establish a data or voice connection with the network. To successfully register with the cellular network, a valid SIM card is required.

How to successfully register Quectel modules?

  • Verify that a valid SIM is used in the device.Find available networks in your location and confirm that the SIM card is valid for one of the available networks.
  • Verify that the SIM status is ready.

How to check registration status is Quectel Modules?

Use the AT+CREG or AT+CGREG (GPRS) command to check the registration status of the device. AT Command Tester software provides an easy interface to check the registration status using both the commands.

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