Sunhokey Ra-01 SX1278 LoRa Spread Spectrum Wireless Module 433MHz Wireless Serial Port SPI Interface?Pack of 2?

Features -LoRa spread spectrum modulation technology -Receive sensitivity as low as -141 dBm -Excellent resistance to blocking -Supports preamble detection -Supports half-duplex SPI communication -Programmable bit rate up to 300Kbps -Supports FSK, GFSK, MSK, GMSK, LoRa and OOK modulation modes -Supports automatic RF signal detection, CAD mode and ultra high speed AFC -Packets with CRC, up to 256 bytes -Small package with double volume stamps