The RFM219SW-433S2R RF RECEIVER MODULE 433MHZ SMD The RFM219SW-433S2R is a RF RECEIVER MODULE 433MHZ SMD designed by HOPERF. Tailored for reliable and efficient wireless communication, this module is suitable for varied uses. Operating at a frequency of 433MHz, it ensures stable and efficient performance. Compliant with ROHS standards, it supports environmentally friendly practices. Packaged in TAPE&REEL, it ensures safe handling and transport. This module is a dependable solution for professionals seeking advanced wireless communication technology.