TR-520

This is a Bluetooth low energy (BLE) application for GlobalSat TR-520 configuration. By synchronizing with your TR-520, you can check the FW/APP versions and current settings. Also, you can adjust device settings to fulfill different user scenarios. With this application and TR-520, we believe you will have a better experience. Functions: Basic Information FW version / APP version Cellular settings Device settings Security setting Firmware upgrade Support iOS 11 or above.