Broadlink RM4 pro Smart IR/RF Remote Control Hub - Voice Ready Hub

In this review the Broadlink RM4 pro is examined as a compact hub for making legacy IR and 433MHz RF devices part of a modern smart home. The bottom line: it is best for people who want a single, inexpensive bridge to control TVs, air conditioners and fixed-code RF devices from a phone or with voice assistants. Setup and compatibility can vary by device, but when it works the RM4 pro turns a phone into a full-featured remote and supports routines and timers that genuinely simplify daily control.

Key Features

• IR and RF coverage: Supports 38KHz IR devices and 433MHz RF fixed code devices so most TVs, set-top boxes, air conditioners and motorized curtains can be controlled from one hub.
• Voice and automation: Works with Alexa, Google Assistant and IFTTT so common commands like power, volume and temperature can be handled by voice and included in automated scenes.
• Cloud IR library: Includes an online updated IR database and a learn mode so newer or uncommon remotes can be matched or programmed manually.
• Remote access: BroadLink app for iOS and Android provides remote control from outside the home and lets you create timers, scenes and routines for scheduled automation.
• Sensor support: Accepts an external temperature and humidity sensor cable so triggers can be based on room conditions, for example automatically starting an air conditioner when it gets warm.
• Compact design: Small footprint makes it easy to place near entertainment equipment or a central location for best IR/RF coverage.

Who It's For

The RM4 pro is ideal for homeowners or renters who own several IR devices such as a TV, air conditioner and set-top box and want to consolidate control into a single app or voice assistant. It is also a good pick for users who need basic RF control of fixed-code devices like motorized curtains or simple light switches in the 433MHz band.

It is less suitable for users who rely on 5GHz Wi-Fi or complex rolling-code RF devices; the unit requires a secured 2.4GHz Wi-Fi network and supports only fixed-code 433MHz controls. Buyers with unsupported curtain motors or ceiling fans should confirm compatibility before purchase.

Pros & Cons

Pros

• Wide device support for both IR and 433MHz RF gives broad control of entertainment and basic home automation devices.
• Works with major voice assistants and IFTTT for flexible automation and voice commands.
• External sensor support lets you trigger actions from temperature and humidity readings.
• Small, well-built unit that fits easily near existing equipment.

Cons

• Requires 2.4GHz Wi-Fi only and will not work on 5GHz or some mesh configurations, which limits networking options.
• Some users report inconsistent setup or device matching, so occasional manual button learning may be required.

Specifications

Device type	IR and RF smart hub
Wi-Fi	2.4GHz only (secured network required)
RF support	433MHz fixed code (range 430~440MHz)
IR support	38KHz IR with online updated library and learn mode
Sensor input	External temperature and humidity cable supported
Power	5V 1A USB adapter required (not included)
Voice platforms	Works with Alexa, Google Assistant and IFTTT

Our Verdict

The Broadlink RM4 pro is a cost effective hub for integrating IR and 433MHz fixed-code RF devices into voice and app based automation; it is particularly valuable for users who want to control TVs, air conditioners and motorized curtains from one console. Expect occasional manual learning and confirm device frequency and code type before buying, but for compatible devices it delivers strong value and practical automation features.

Frequently Asked Questions

Does it work with voice assistants?
Yes, it integrates with Alexa, Google Assistant and supports IFTTT for voice and automated control.

What Wi-Fi does it require?
The RM4 pro requires a secured 2.4GHz Wi-Fi network; 5GHz networks and some mesh setups are not supported.

Can it control curtain motors?
It supports 433MHz fixed-code motorized curtains if they operate in the 430~440MHz fixed-code range, but some curtain motors and rolling-code devices may not be compatible.