HiComponent 315mHz 433mHZ 915mHZ Wireless RF Transmitter and Receiver Module is designed for signal remote controlling and monitoring. That RF Transmitter and receiver kits have LoRa function and can be easily installed in a breadboard and work well with microcontrollers to create a very simple wireless data link. The 433mHz RF Module can be use as a transmitter or a receiver, it usually operates. in pairs.