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The Dragino LoRaWAN GPS Tracker LGT-92 is an open source GPS tracker base on Ultra Low Power STM32L072 MCU and SX1276/1278 LoRa Module.
LGT-92 includes a low power GPS module L70 and 9-axis accelerometer MPU9250 for motion and orientation detection. The power for both of the GPS module and accelerometer can be controlled by the MCU to achieve the best energy profile for different applications. LGT-92-AA is powered by two AA batteries.
The LGT-92 is pre-loaded with a firmware and is configured as LoRaWAN OTAA Class A mode by default. To connect to a local LoRaWAN network, you just need to input the OTAA keys in the LoRaWAN IoT server and power on the LGT-92.
LGT-92 is an open source product, it is based on the STM32Cube HAL drivers and lots of libraries can be found in ST site for rapid development.
USB to wire cable is included. The USB to wire cable can be used with a USB to TTL adapter to connect to a PC and use AT commands to optionally configure the device.