This is a Bluetooth low energy (BLE) application for Globalsat LT-20 Series configuration. By synchronizing with your LT-20, you can check the battery capacity, FW/ APP version and current settings. Also, you can adjust LoRaWAN and GPS setting to fulfill different user scenarios. With this application and LT-20, we believe you will have a better experience. Functions: - Basic Information: LoRa MAC/ Battery capacity/ FW version/ APP version - LoRaWAN Setting: Duty cycle/ DR/ Channel/ Frequency/ Join mode…etc. - GPS Setting: Always on or not/ GPS open time - Operation Mode: Periodic or Motion mode/ Report interval - Other Setting: G-Sensor sensitivity/ Enable or disable power off …etc. - Firmware Upgrade - Restore support iOS 11 or above.