SIM7600CE-T 4G(LTE)Shield V1.0 don't work a GSM signal indicator

I hope your issue with the SIM7600CE-T 4G(LTE)Shield is solved now. However, you can also  consider using SIM7000. 

Many 4G LTE-based projects can be done with this pretty well: 

https://www.pcbway.com/project/shareproject/4G_LTE_TempSensor_v1_2_SIM7000_74f64b71.html

If you're experiencing issues with the SIM7600CE-T 4G (LTE) Shield V1.0 not displaying a GSM signal indicator, there could be several reasons for this. The SIM7600CE-T is a 4G/LTE shield that allows your Arduino or compatible development board to connect to cellular networks. Here are some troubleshooting steps you can follow:

Check Antenna Connection: Ensure that the antenna is properly connected to the SIM7600CE-T shield. A weak or disconnected antenna can lead to poor or no signal reception.

Verify SIM Card: Make sure you have a valid and activated SIM card inserted into the SIM card slot on the shield. The SIM card should also have an active data plan and network coverage in your area.

Power Supply: Ensure that the shield is receiving a stable and adequate power supply. Insufficient power can cause connectivity issues.

Check Wiring: Double-check your wiring connections between the shield and your Arduino or development board. Make sure you're using the correct pins and that there are no loose connections.

Network Coverage: Verify that the area you're testing the shield in has adequate cellular network coverage for the specific frequency bands supported by the SIM7600CE-T shield.

Network Configuration: Depending on your cellular provider, you might need to configure the APN (Access Point Name) settings on the shield to establish a data connection. Check with your cellular provider for the correct APN settings.

Serial Communication: Ensure that you're correctly communicating with the SIM7600CE-T shield through serial communication. Check your code for any errors that might be affecting communication.

AT Commands: The SIM7600CE-T shield can be controlled using AT commands. Check the documentation for the shield for the specific AT commands required to retrieve network information and signal strength.

Firmware and Libraries: Make sure you're using the correct firmware version and libraries that are compatible with the SIM7600CE-T shield.

Test in Different Locations: If possible, test the shield in different locations to rule out issues related to poor network coverage in a specific area.

Documentation and Support: Refer to the shield's documentation, datasheet, and any available support forums or resources for troubleshooting guidance specific to the SIM7600CE-T shield.

If you've checked all of the above and are still facing issues, consider reaching out to the manufacturer or distributor of the SIM7600CE-T shield for further assistance. They might be able to provide more specialized support and guidance based on your specific setup and use case.

https://youtubevanced.org/ 

Hi！

Please check whether there is an external 7-23V power supply, which will affect the work of the shield.