There are GSM antennas with cable that allow you to place the antenna a bit away from the device and thus look for the best antenna location. It must be a GSM antenna and it must have an SMA-type male connector.
Click here to test the control panel.
There are GSM antennas with cable that allow you to place the antenna a bit away from the device and thus look for the best antenna location. It must be a GSM antenna and it must have an SMA-type male connector.