You may have not only one remote control in your home or office. But have you ever wondered how your remote control communicates with various devices and appliances? There is more than one way. In this blog, we’ll explain the RF 433MHz remote control mainly, with its directions and useable devices. You can have a clearer guide of RM433 Remote Controller after reading this blog.

App control maybe the first remote control way that pumps out in your mind when it comes to smart home. It is a common but not the most convenient way when you are at home. The remote control is a better choice since you do not need to worry about the Wi-Fi signal nor find the App on your phone anywhere.

Remote control of devices send commands via several different types of energy, radio frequency (RF), infrared (infrared), or bluetooth. RM433 is a RF 433MHz remote control with 8 buttons, which can control SONOFF and other brands’ smart devices that have 433MHz communication module. You may get confused when pairing and clearing RM433, since different devices have slight differences. Don’t worry, all your confusion can be solved by the following instructions.

Tips: The essence of pairing is to make the devices into learning mode and sending the pairing signal, which we call the key value learning.

Quick search: SONOFF devices that supports RF 433MHz control:

These devices have slight differences when pairing or clearing RM433 remote control. They can classify through the beep sound and LED indicator status.

Beep sound: iFan03, D1, RF Bridge, TX Series

LED indicator: RFR2, RFR3, SlampherR2, 4CHPROR3

RFR2, RFR3, SlampherR2

RF pairing

Long press the “pairing button” on SONOFF until the on/off LED indicator flashes once, then press the button that you want to pair on the RM433 and the on/off LED indicator flashes once again after pairing is successful. (Other buttons can be paired through this method.)

RF clearing

Long press the “pairing button” on SONOFF until the on/off LED indicator flashes twice, then long press any button on the RM433 until the on/off LED indicator flashes once after clearing is successful. (Other buttons can be cleared through this method.)

*RFR2/RFR3 can pair 14 remote control buttons. SlampherR2 can pair 14 remote control buttons.

4CHPROR3

RF pairing

Long press the channel button that you want to pair on 4CHPROR3 until the red Wi-Fi LED flashes quickly once and release, then short press the remote control button that you want to pair and the red Wi-Fi LED flashes quickly once again indicates that you paired the button successfully. (Other buttons can be paired through this method.)

RF clearing

Long press the button that you want to clear on 4CHPROR3 until the red Wi-Fi LED flashes quickly twice and release, then short press the remote control button that you want to clear and the red Wi-Fi LED flashes quickly once indicates that you cleared the button successfully. (Other buttons can be cleared through this method.)

*Each channel can pair 4 remote control buttons.

RF Bridge

RF pairing

Tap “+” to add RM433 (choose remote controller item) on RF Bridge on eWeLink APP and long press the “button” on RF Bridge for 5s until you hear a “Beep”, then long press “pairing button” on the RM433, and you will hear two “Beep” sounds after successful pairing.

RF clearing

Directly delete the button on RF Bridge.

*RF Bridge can pair with up to 64 remote control buttons.

TX Series – T1, T2, T3

RF pairing

Long press the button that you want to pair on TX for 3s until you hear a “Beep” sound, then press the “pairing button” on the RM433, and you will hear a “beep” sound again after pairing is successful. (Other buttons can be paired through this method.)

RF clearing

Long press any button on TX for 5s until you hear two “Beep” sounds and release, then press any button on the RM433, and you will hear a “Beep” sound again after clearing is successful. (Other buttons can be cleared through this method.)

*Each channel can pair with 14 remote control buttons.

iFan03, D1

RF pairing

After powering SONOFF on, long press any button on RM433 within 5s until you hear a “Beep” sound. One button is paired means all buttons are paired.

RF clearing

Long press “clearing button” on the RM433 for 5s until you hear two “Beep” sounds. One button is cleared means all buttons are cleared.

*D1 can pair with up to 16 RM433 remote controls. iFan03 can pair with up to 10 RM433 remote controls.