Key features:
- Open source Hardware & Software
- Powered by 2xAA (1.5v) batteries.
- Waterproof & wall mountable.
- RAK811=SX1276+STM32L151. No additional μC needed.
- Build environment: RAK RUI API, or STM32 CUBE LoRa stack.
- Prototyping/expansion area.
- Pad for a spring antenna or U.FL connector for external ant.