Module functionFSK / GFKS technology, LoRa (remote) spread spectrum technologyHalf-duplex communicationSuper anti-interference (channel rejection ratio: 56db)High receiver sensitivity -139dbm.ISM multi-band, do not need to apply the frequency of free use.Multi-frequency optional, a variety of transmission rates. Can be used in FDMA and FM technology.Intelligent reset, low-voltage monitoring, wake-up time, low-power mode, sleep modeLow power receive current: 10-12mA256-bit FIFO TX / RXRSSI channel detection functionTransmission Mode: FIFO / Direct Mode (Recommended FIFO Packet Mode)Configuration: AFC / Wake on Air / Low Power / Carrier Sense / FEC Error Correction / AEC EncryptionUltra-long-distance transmission as far as 3KM open