Broadlink RM4 Pro IR RF Review (2026): A Spec-Based Look

What stands out

• Supports RF (433MHz) for devices like curtain motors and projectors alongside standard IR control.
• Compatible with Alexa, Google Home, and IFTTT for voice and automation control.
• Features a code learning function to program buttons for devices not in the cloud library.
• Connects to an external USB temperature and humidity sensor (sold separately) for room monitoring.
• Uses FastCon technology for zero-configuration setup of additional BroadLink devices.

Who it fits

Key specs explained for RM4 Pro

Connectivity: IR, RF (433MHz)

This device sends both infrared and radio frequency signals. You can control standard TVs and ACs with IR, while RF handles curtain motors and light switches. This dual capability lets you replace multiple remotes with one hub. If you shop for smart home controls, this versatility matters more than single-signal devices, as it covers legacy electronics that lack Wi-Fi.

Network Interface: 2.4 GHz Wi-Fi

The unit connects only to 2.4 GHz networks, not 5 GHz. This is common for budget smart devices but limits placement near dense 5 GHz traffic. You must ensure your router supports this band. When comparing smart home controls, check your network setup first. This restriction means you cannot use it on modern dual-band only setups without a 2.4 GHz band enabled.

Smart Home Compatibility: Alexa, Google Home, IFTTT

You can control connected devices using voice commands via Alexa or Google Home. IFTTT support allows custom automation triggers. This integration turns your TV or AC into a smart device. For smart home controls, this broad compatibility is key. It ensures you can group devices into routines. If your ecosystem relies on these platforms, this device fits seamlessly into your existing automation workflow.

Code Learning: 50,000+ IR devices

The cloud library supports over 50,000 infrared devices. You can also manually learn codes if your device is not listed. This reduces setup friction for obscure electronics. When shopping for smart home controls, this large library ensures broad coverage. It means you likely do not need separate remotes for each TV or fan. The learning feature adds flexibility for older or niche equipment.

Design and build specs

According to the listing, the Broadlink RM4 Pro measures 4.33 inches in width and length, with a height of 1.18 inches. It weighs nothing in the provided data, so you should check the box for mass details. The finish is black. This compact, square form factor allows you to place the unit on a shelf or mount it near your entertainment center without taking up much visual space. The low profile ensures it does not obstruct other devices nearby.

The device uses a simple, unadorned plastic shell. There are no physical buttons or dials mentioned in the specifications. You control everything through the BroadLink app on your phone. This design choice means you must keep the unit within range of your 2.4 GHz Wi-Fi network for configuration and updates. You cannot operate it via local manual controls.

The layout prioritizes connectivity over tactile feedback. The unit relies entirely on software for interaction. This means your experience depends on the stability of your home network and the responsiveness of the app. The small size makes it easy to hide behind furniture or place on a high shelf, ensuring its IR and RF signals can reach your target devices without obstruction. The black color helps it blend into most home electronics setups.

Setup and everyday use guide

You set up the Broadlink RM4 Pro using the dedicated BroadLink app, available on App Store and Google Play. The listing notes this app offers improved configuration and scene creation compared to the older IHC app. A critical step for you is ensuring your router broadcasts a 2.4 GHz Wi-Fi signal. The device does not support 5 GHz networks, so you must connect it to the correct band during initial pairing. The unit uses FastCon technology for zero-configuration setup. Once you add the first device, subsequent FastCon devices are automatically discovered when powered on. You can program the remote to learn buttons from existing remotes if cloud data is unavailable. This ensures compatibility with devices not in the library. For daily use, you control IR devices like TVs, set-top boxes, and air conditioners. The RF capability allows you to operate curtain motors, projectors, and light switches. You can also integrate the unit with Alexa, Google Home, and IFTTT for voice commands. Ensure your devices are accessible from external networks for remote control. The app displays temperature and humidity if you connect the optional external sensor via USB cable. You can use an Android phone with an IR emitter to test controls before finalizing your setup. The device supports over 50,000 IR devices, with the library updated via cloud. You do not need a separate hub, as the unit connects directly to your Wi-Fi. This makes it a straightforward addition to your smart home routine.

Before you buy RM4 Pro

You should verify your existing devices support IR or RF signals before purchasing. This unit does not work with Bluetooth, so any Bluetooth-only remotes will remain unsupported. You must have a 2.4 GHz Wi-Fi network available for setup, as 5 GHz connections are not compatible. Consider whether you need voice control through Alexa or Google Home, as this requires linking your accounts within those platforms. The device supports an external temperature and humidity sensor via USB, but you must purchase that cable separately. Keep the BroadLink app updated to ensure access to the expanding cloud library of device codes. This remote serves as a bridge for legacy electronics, fitting into a smart home that still relies on older, non-smart appliances. It complements smart thermostats by handling the non-climate devices that your main controller cannot reach directly.

Check before you buy

• Confirm your devices use IR or RF 433MHz signals.
• Ensure your Wi-Fi router supports 2.4 GHz networks.
• Check if your TV or AC is in the supported library.
• Verify you have Alexa or Google Home for voice control.
• Decide if you need an external temperature and humidity sensor.

The product at a glance

1

Broadlink RM4 Pro IR and RF Remote

Best for: controlling RF devices like curtain motors

Connectivity

IR, RF (433MHz)

Smart Home Compatibility

Alexa, Google Home, IFTTT

Network Interface

2.4 GHz Wi-Fi

Application

Air Conditioners, Televisions

Dimensions

4.33 × 4.33 × 1.18 inches

View on Amazon: Broadlink RM4 Pro IR and RF Remote Affiliate link

The Broadlink RM4 Pro is a 2.4 GHz Wi-Fi universal remote that supports IR and 433 MHz RF signals. It controls over 50,000 IR devices and RF items like curtain motors. You can use the BroadLink app for setup and scene creation. It works with Alexa, Google Home, and IFTTT. The unit measures 4.33 by 1.18 inches. It supports an external temperature and humidity sensor via USB cable.

Pros

• Supports IR and 433 MHz RF signals
• Compatible with Alexa, Google Home, and IFTTT
• Controls 50,000+ IR devices
• Connects to external temperature and humidity sensor
• Compact 4.33 by 1.18 inch design

Cons

• Only supports 2.4 GHz Wi-Fi networks
• Does not work with Bluetooth devices
• External sensor cable is sold separately

Good fit if

• You need to control RF devices like curtain motors
• You want voice control via Alexa or Google Home
• You have a 2.4 GHz Wi-Fi network

Skip if

• You require 5 GHz Wi-Fi connectivity
• You want to control Bluetooth devices directly
• You prefer a remote with a built-in display

Verdict: Broadlink RM4 Pro Universal Remote handles both IR and RF signals for a wide range of home devices. It is a solid choice if you need to control RF equipment like curtain motors or want voice assistant integration.

Specifications side by side

Frequently asked questions

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