Description
The Sonoff RFR3 Intelligent Switch is a versatile AC power control module built for makers and smart home integrators. It combines 2.4GHz Wi-Fi (802.11 b/g/n) connectivity with a 433.92MHz RF receiver, allowing control via cloud services, local network, or physical RF remotes. Its core function is to safely switch high-power AC loads up to 10A/2200W, making it suitable for lamps, fans, and small appliances.
Engineered for reliability, the RFR3 features a local LAN mode within the eWeLink ecosystem, providing fallback control when cloud connectivity is lost. The module’s compact form factor and DIY-friendly design facilitate embedding into custom enclosures or retrofitting standard wall switches, enabling the creation of intelligent, voice-activated, and remotely managed devices without complex wiring or firmware development.
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