Smart Hub WiFi/RF 433MHz Sonoff RF BridgeR2Smart Hub Sonoff RF BridgeR2 433MHz Now you can manage your smart home even more easily and conveniently. BridgeR2 allows you to connect remote controls, sensors and other 433 MHz RF devices to your Wi Fi network. Thanks to this, you can easily control them all from the application! You can also create smart scenes and timers, and even control your equipment with voice commands compatibility with Google Assistant and Amazon Alexa makes this possible.