Introduction
The BroadLink RM4 PRO+ HTS2 is a wireless universal remote hub designed to integrate and control various infrared (IR) and radio frequency (RF) devices in your smart home environment. This device also includes an external temperature and humidity sensor (HTS2) to provide real-time environmental data. This manual provides detailed instructions for setup, operation, and troubleshooting to ensure optimal performance of your device.
Package Contents
- 1x BroadLink RM4 PRO+ Universal Remote Hub
- 1x HTS2 Sensor Cable (Temperature and Humidity Sensor)
- 1x Mounting Board
- 1x User Manual
Note: A power adapter is not included in the package. Please use a compatible 5V/1A USB power adapter.
Image: BroadLink RM4 PRO+ HTS2 package contents, showing the main unit, HTS2 sensor cable, mounting board, and user manual.
Specifications
| Product Dimensions | 4.33 x 3.54 x 1.97 inches |
| Item Weight | 5.3 ounces |
| Model Number | RM4 PRO+HTS2 |
| Brand | Broadlink |
| Color | Black |
| Max Number of Supported Devices | 15 |
| Compatible Devices | Air Conditioner, Fan, Set Top Box, Television, Projector |
| Special Feature | Works with Alexa, HTS2 sensor included |
Setup
1. Download the BroadLink App
Search for the "BroadLink" app in your smartphone's app store (iOS or Android) and install it.
2. Power On and Connect HTS2 Sensor
- Connect the RM4 PRO+ hub to a 5V/1A USB power adapter (not included) using the provided USB cable.
- Plug the HTS2 sensor cable into the USB port of the RM4 PRO+ hub. The sensor will automatically begin monitoring temperature and humidity.
3. Network Configuration (AP Distribution Mode)
The RM4 PRO+ supports 2.4 GHz Wi-Fi networks only. It does not support 5 GHz Wi-Fi or mesh routers. Ensure your Wi-Fi password contains no more than 32 characters and uses standard keyboard characters.
- Ensure the blue indicator light on the RM4 PRO+ is in an indirect flash state (AP distribution mode). If not, refer to the troubleshooting section or the device's quick start guide to enter this mode.
- On your mobile phone, connect to the Wi-Fi network that begins with "BroadLink".
- Open the BroadLink app, navigate to "Add Device", and select "RM4 Pro".
- Follow the on-screen prompts in the app to complete the network configuration.
Important Note: If you have multiple Wi-Fi networks at home, temporarily turn off all other Wi-Fi networks except for the 2.4 GHz network you intend to connect the RM4 PRO+ to. Re-enable other networks after successful configuration.
Image: The BroadLink RM4 PRO+ HTS2 hub positioned next to a smartphone showing the BroadLink app interface for adding appliances like TV, Air Conditioner, and Set-top Box.
Operating the Device
1. Adding Appliances (IR/RF Control)
Once the RM4 PRO+ is connected to your Wi-Fi, you can add IR and RF controlled devices.
- In the BroadLink app, select "Add Appliance" and choose the type of device (e.g., TV, Air Conditioner, Projector, Curtain Motor).
- The app will guide you through the process of learning IR or RF signals from your existing remote controls.
- For IR devices, ensure there are no obstacles between the RM4 PRO+ and the device being controlled.
- For RF devices, the RM4 PRO+ supports 433MHz fixed code devices. It does not support RF Rolling Code control or learning. Verify your RF device is not a rolling code type before attempting to learn.
2. Temperature and Humidity Monitoring (HTS2)
The HTS2 sensor cable, when connected, allows the BroadLink app to display real-time temperature and humidity readings of the room where the device is located.
Image: The BroadLink RM4 PRO+ HTS2 hub with its sensor cable plugged in, next to a smartphone showing the BroadLink app displaying current room temperature (72°F) and humidity (42.3%).
3. Voice Control Integration
The RM4 PRO+ is compatible with Amazon Alexa and Google Home for voice control of your connected devices.
- For Alexa: Enable the "BroadLink" skill in the Amazon Alexa app, link your BroadLink account, and discover devices. You can then voice control devices like your TV, set-top box, air conditioner, and fans.
- For Google Home: Link your BroadLink account in the Google Home app. You can voice control devices such as your air conditioner.
Ensure your devices can be remotely controlled from external networks for voice control functionality.
Image: A living room scene with a BroadLink RM4 PRO+ HTS2 hub and an Amazon Echo device. A speech bubble indicates the voice command: "Alexa, turn air conditioning down for 1 degree."
4. Automation and Scenes (IFTTT)
Leverage the HTS2 sensor data and device control for smart automation and scenes.
- IFTTT Integration: The RM4 PRO+ is compatible with IFTTT (If This Then That). Enable the BroadLink service in the IFTTT app to create custom automation routines based on various triggers and actions.
- Temperature/Humidity Based Automation: Create rules such as "IF temperature rises, THEN turn on the air conditioner" or "IF humidity is low, THEN turn on the humidifier."
- Scheduled Scenes: Set up scenes like a "Sleep" scene that automatically turns off the TV, adjusts the air conditioner, and closes curtains at a specific time.
Image: An infographic demonstrating automation rules: "IF Temperature rises, THEN Turn on the aircon" and "IF Humidity is low, THEN Turn on the humidifier." A baby is sleeping in the background.
Image: A smartphone displaying a 'Sleep' scene in the BroadLink app, listing actions such as turning on the bedroom air conditioner, powering off the bedroom TV, turning off bedroom lights, turning off bedroom switches, and closing bedroom curtains. A person is sleeping in the background.
Image: A graph showing temperature and humidity fluctuations throughout the night (PM 10:00, AM 02:00, AM 05:00, AM 07:00), indicating how the BroadLink RM4 PRO+ HTS2 can maintain a comfortable environment. A person is sleeping peacefully in the foreground.
5. Remote Access
Control your home appliances from anywhere using the BroadLink app on your smartphone, provided the RM4 PRO+ has an active internet connection.
Image: A man in a business suit smiling while looking at his smartphone, with an overlay showing the BroadLink RM4 PRO+ HTS2 hub. Arrows indicate remote control of an air conditioner in a home setting.
Maintenance
- Keep the device in a dry environment, away from direct sunlight and extreme temperatures.
- Clean the device with a soft, dry cloth. Avoid using liquid cleaners or abrasive materials.
- Ensure the HTS2 sensor cable is not bent sharply or damaged, as this may affect its accuracy.
Troubleshooting
- Device not connecting to Wi-Fi:
- Ensure your Wi-Fi network is 2.4 GHz. The RM4 PRO+ does not support 5 GHz Wi-Fi.
- Avoid using mesh routers, as they are not supported for configuration.
- Check your Wi-Fi password for special characters not found on a standard keyboard or if it exceeds 32 characters.
- During setup, temporarily disable other Wi-Fi networks to prevent interference.
- Ensure the device is in AP distribution mode (blue indicator in indirect flash state).
- IR device not responding:
- Verify there are no physical obstacles between the RM4 PRO+ and the IR-controlled device.
- Ensure the RM4 PRO+ is within range and line-of-sight of the IR device.
- Re-learn the IR signal in the BroadLink app if the issue persists.
- RF device not responding:
- Confirm that your RF device uses a 433MHz fixed code. The RM4 PRO+ does not support RF Rolling Code devices.
- If your remote control requires pairing for first use, it is likely a rolling code and will not be compatible.
- Re-learn the RF signal in the BroadLink app.
- Voice control not working:
- Ensure the BroadLink skill/service is enabled and linked in your Alexa or Google Home app.
- Verify that devices are discovered in your voice assistant app.
- Check that the RM4 PRO+ has a stable internet connection.
Warranty and Support
For warranty information, please refer to the documentation provided at the time of purchase or contact your retailer. For technical support, please visit the official BroadLink website or contact their customer service channels. The manufacturer is Hangzhou BroadLink Technology Co., Ltd.
