The RFM219SW-433S1 RF RECEIVER MODULE 433MHZ SMD The RFM219SW-433S1 is a RF RECEIVER MODULE 433MHZ SMD designed by HOPERF. Tailored for reliable and efficient wireless communication, this module is suitable for varied uses. Supporting modulation methods like FSK, GFSK, OOK, it provides versatility in data transmission. Operating at a frequency of 433MHz, it ensures stable and efficient performance. The supply voltage range of 1.8V to 3.6V makes it adaptable to different systems. With an operating temperature range of -20°C~+70°C, it performs well in various environments. Compliant with ROHS standards, it supports environmentally friendly practices. Packaged in TRAY, it ensures safe handling and transport. This module is a dependable solution for professionals seeking advanced wireless communication technology.