1. Product Overview
The BroadLink RM4 pro is a universal remote control that integrates IR (Infrared) and RF (Radio Frequency) capabilities into a single hub. It allows you to control a wide range of home appliances and devices using the BroadLink app on your smartphone, voice commands via smart assistants like Alexa and Google Home, and automated routines through IFTTT.
Figure 1: BroadLink RM4 pro device and mobile application interface.
2. Key Features
- High Compatibility: Supports RF (433MHz) controlled devices such as curtain/shades motors, projectors, and light switches. Compatible with over 50,000 IR controlled devices including TVs, STBs, air conditioners, fans, video recorders, and DVDs. Features a code learning function for devices not in the cloud library.
- App Control: Manage and control your devices from anywhere using the







