ITEM NAME:SX1278 wireless transceiver module 868mhz modulespread spectrum long-range BX Module function: FSK / GFKS technology, (remote) spread spectrum technology Half-duplex communication Super 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 mode Low power receive current: 10-12mA 256-bit FIFO TX / RX RSSI channel detection function Transmission Mode: FIFO / Direct Mode (Recommended FIFO Packet Mode) Configuration: AFC / Wake on Air / Low Power / Carrier Sense / FEC Error Correction / AEC Encryption Ultra-long-distance transmission as far as 3KM open.1pc SX1278 wireless transceiver module. FSK / GFKS technology, (remote) spread spectrum technology. Module function Ultra-long-distance transmission as far as 3KM open. ISM multi-band, do not need to apply the frequency of free use.