The embit EMB-LR1280S is an ultra-low-power OEM Embit module. It is based on Semtech’s SX1280 long-range 2.4 GHz transceiver coupled with STM32L073 MCU. EMB-LR1280S can communicate with other devices through a wide range of serial interfaces such as UART, I2C, USB, SPI, and several digital and analog I/O.