
Sonoff RF BridgeR2 – RF 433MHz to Wi-Fi Smart Gateway
The SONOFF RF BridgeR2 is a small gateway that converts 433.92MHz RF signals from remotes and sensors into Wi-Fi, so you can control and automate RF devices from the eWeLink app on your phone. It connects to your 2.4GHz Wi-Fi network, supports up to 16 RF devices and runs on 5V USB power.


RF to Wi-Fi conversion: The bridge receives the 433.92MHz signals that RF remotes, switches and sensors send, and passes them to the eWeLink app over Wi-Fi. This lets you bring existing 433MHz RF equipment into the app instead of replacing it.
Learns your RF remote buttons: The bridge can learn the buttons of RF remotes, so each button can be added to the app as a command. You then control the RF device from your phone, wherever you have an internet connection.
Alarms and smart scenes: RF sensors added to the bridge can send notifications to the eWeLink app and trigger smart scenes with other SONOFF devices. For example, when a door sensor detects the door opening, you get a notification and a light can turn on automatically.
Up to 16 RF devices: One bridge handles up to 16 RF devices, such as switches, sensors and remotes, all managed from one app.
Who it's for / Works with
SONOFF 433MHz RF devices such as the DW2-RF door/window sensor and the PIR3-RF motion sensor, plus other 433.92MHz RF remotes and sensors. It is controlled through the eWeLink app.
Good to know
The bridge works on 2.4GHz Wi-Fi only (802.11 b/g/n). It needs a 5V USB power supply.
Technical Specifications
| Model | RF BridgeR2 |
| Power Input | 5V DC (USB) |
| Wi-Fi | IEEE 802.11 b/g/n, 2.4GHz |
| RF Frequency | 433.92MHz |
| Wi-Fi Security | WPA-PSK / WPA2-PSK |
| Max. RF Devices | 16 |
| App | eWeLink |
| Working Temperature | -10°C to 40°C |
| Dimensions | 62 × 62 × 20 mm |
| Housing Material | PC V0 (flame-retardant) |
| Certifications | CE, FCC, RoHS |
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