1. Introduction
The Shelly BLU Gateway is a compact USB-A dongle designed to bridge your Shelly BLU devices with the broader Shelly ecosystem. It facilitates communication by receiving Bluetooth signals from BLU devices and transmitting them to the Shelly Cloud or locally to other non-Bluetooth devices. This enables seamless interaction between all your Shelly devices, including older Gen-1 models, and your BLU sensors.
This manual provides essential information for setting up, operating, and maintaining your Shelly BLU Gateway, ensuring optimal performance and integration into your smart home environment.

Figure 1: Shelly BLU Gateway USB-A Dongle and Packaging
2. Product Overview
The Shelly BLU Gateway is a small, white USB-A dongle. It features a compact design for discreet placement and includes an LED indicator for status, a reset button, and a protective cap for the USB-A plug.

Figure 2: Compact size of the Shelly BLU Gateway, measuring 45mm in length and 20mm in width.
2.1 Device Components

Figure 3: Key components of the Shelly BLU Gateway. A: LED Indication, B: Reset Button, C: USB A Plug, D: Protective Cap.
- A: LED Indication: Provides visual feedback on the device's status.
- B: Reset Button: Used for factory reset or rebooting the device.
- C: USB A Plug: Connects to a standard USB-A port for power.
- D: Protective Cap: Covers the USB-A plug when not in use.
3. Setup
Follow these steps to set up your Shelly BLU Gateway and integrate it into your smart home system.
3.1 Powering the Device
- Insert the Shelly BLU Gateway into any standard USB-A port (e.g., a USB wall adapter, computer USB port, or power bank).
- Ensure the device receives power. The LED indicator (A) will illuminate to show it is active.
3.2 Shelly Smart Control App Installation
The Shelly BLU Gateway is managed through the Shelly Smart Control App, available for iOS and Android devices. This app allows you to configure devices, manage settings, and create automated scenes.
- Download the "Shelly Smart Control" app from your device's app store.
- Create an account or log in if you already have one.
3.3 Initial Connection and Pairing
The Shelly BLU Gateway acts as a bridge for your Bluetooth-enabled Shelly devices. It connects to your Wi-Fi network to communicate with the Shelly Cloud and other Shelly devices.
- Open the Shelly Smart Control App.
- Follow the in-app instructions to add a new device. The app will guide you through connecting the Gateway to your Wi-Fi network.
- Once the Gateway is connected to Wi-Fi, you can begin pairing your Shelly BLU sensors and other compatible devices through the app.
The Shelly BLU Gateway extends your existing Wi-Fi range, transmitting signals up to 30 meters indoors and up to 50 meters outdoors, helping to eliminate dead zones.

Figure 4: Shelly BLU Gateway's Wi-Fi and Bluetooth operation, highlighting its signal range capabilities.
4. Operating the Shelly BLU Gateway
The Shelly BLU Gateway enhances your smart home by enabling seamless communication and control across various devices.
4.1 Device Integration
The Gateway connects Shelly BLU devices to the Shelly Cloud, allowing them to interact with your existing Shelly Gen-1 devices and other non-Bluetooth devices. This creates a unified smart ecosystem.

Figure 5: Combining smart devices through the Shelly BLU Gateway for enhanced ecosystem integration.
4.2 Remote Control and Monitoring
Through the Shelly Smart Control App, you can control and monitor all your connected Shelly devices remotely. This includes enhanced automation, energy efficiency monitoring, and consumption tracking.

Figure 6: The Shelly Smart Control App provides comprehensive control and monitoring capabilities.
4.3 MQTT Protocol Support
The Shelly BLU Gateway supports data transfer via the MQTT protocol, offering flexibility for integration with various preferred devices and platforms, expanding your smart ecosystem possibilities.

Figure 7: Expanding your smart ecosystem with MQTT protocol support via the Shelly BLU Gateway.
4.4 Scripting Functionalities
For advanced users, the Shelly BLU Gateway enables scripting functionalities on your Shelly Plus and Pro devices. This allows for the creation of complex automations tailored to specific needs.

Figure 8: Utilize scripting for advanced automations with Shelly Plus and Pro devices.
4.5 Compatible Shelly BLU Devices
The Shelly BLU Gateway is designed to work seamlessly with various Shelly BLU sensors, enhancing their connectivity and integration into your smart home.

Shelly BLU Motion Sensor

Shelly BLU Door/Window Sensor

Shelly BLU H&T Sensor
5. Maintenance
The Shelly BLU Gateway requires minimal maintenance. Keep the device clean and free from dust. Ensure it is placed in a location with adequate ventilation and away from extreme temperatures or moisture. Periodically check for firmware updates through the Shelly Smart Control App to ensure optimal performance and security.
6. Troubleshooting
If you encounter issues with your Shelly BLU Gateway, consider the following common solutions:
- Device Not Powering On: Ensure the USB-A dongle is securely plugged into a functional USB-A port that provides power. Check if the power source is active.
- Connectivity Issues (Wi-Fi):
- Verify your Wi-Fi network is active and within range.
- Ensure the Wi-Fi password entered during setup is correct.
- Try restarting your Wi-Fi router and the Shelly BLU Gateway.
- If initial setup fails, try connecting to the Gateway's own setup Wi-Fi network and configuring it via a web browser as an alternative method.
- Bluetooth Device Pairing Issues:
- Ensure your Shelly BLU devices are within range of the Gateway.
- Check that the BLU devices are in pairing mode.
- Restart both the Gateway and the BLU device you are trying to pair.
- App Control Problems:
- Ensure your smartphone has an active internet connection.
- Update the Shelly Smart Control App to the latest version.
- Clear the app cache or reinstall the app if issues persist.
- Factory Reset: If all other troubleshooting steps fail, you can perform a factory reset using the reset button (B) on the device. Refer to the device's specific reset procedure in the Shelly support documentation.
For further assistance, please refer to the Shelly Support Knowledge Base or contact Shelly Customer Service.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Shelly |
| Model Number | 3800235266656 |
| Product Dimensions | 0.31 x 0.79 x 1.77 inches (8 x 20 x 45 mm) |
| Item Weight | 0.18 ounces (5 grams) |
| Hardware Interface | USB-A |
| Color | White |
| Data Link Protocol | Bluetooth, Wi-Fi |
| Data Transfer Rate | 50 Megabits Per Second (Wi-Fi) |
| Compatible Devices | Shelly BLU devices, Shelly Gen-1 devices (via Cloud), Router |
| Manufacturer | Allterco Robotics EOOD |
| UPC | 380023526665 |
8. Warranty and Support
8.1 Warranty Information
Shelly provides a 2-year device warranty for the Shelly BLU Gateway. Please retain your proof of purchase for warranty claims.
8.2 Customer Support
For any questions, technical assistance, or further information, Shelly offers comprehensive customer support:
- Shelly Smart Control App: Provides remote control and notifications for automated events.
- Knowledge Base: Access product specifications and guidelines.
- Technical Support: Professional support is available.
- Community Forums: Join Facebook Support Groups and the Reddit community for peer assistance.
- Shelly Academy: Explore video tutorials and webinars for in-depth learning.
Visit the official Shelly support page for resources: https://support.shelly.cloud/en/support/home

Figure 9: Scan for support and access Shelly's comprehensive help resources.
9. Video Resources
Watch the official product video for an overview of Shelly's smart home solutions:
Video 1: Smart Home with Shelly. This video provides an overview of how Shelly devices can enhance your daily routines and create a smarter, more efficient home environment.
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