1. Introduction
The Gavigain Smart Gateway is a universal Bluetooth wireless gateway designed to integrate and control various smart home devices. It facilitates remote control and automation, enhancing home safety and convenience. This manual provides essential information for the proper setup, operation, and maintenance of your Smart Gateway.
2. Safety Information
- Ensure the power input is 5V/1A. Using an incorrect power adapter may damage the device.
- Operate the device within the specified working temperature range of -10℃ to 55℃.
- Keep the device away from water, moisture, and high humidity environments.
- Do not attempt to disassemble or repair the device yourself. Contact qualified personnel for service.
- Place the gateway in a central location to optimize wireless signal coverage.
3. Package Contents
Verify that all items are present in the package:
- 1 x Gavigain Smart Gateway
- 1 x User Manual (this document)
- 1 x USB Cable
- 1 x Network Cable
4. Product Overview
The Gavigain Smart Gateway serves as the central hub for your smart home ecosystem, supporting multiple wireless protocols including 2.4G WiFi, Zigbee, and BLE Mesh. It is designed for stable control of up to 128 devices.

Figure 4.1: The Gavigain Smart Gateway integrated into a home environment, functioning as an intelligent control center.
Key Features:
- Stable Control: Manages up to 128 sub-devices simultaneously, ensuring reliable operation.
- Remote Access: Allows wireless control of all connected smart devices from a single interface.
- Multimode Functionality: Supports customizable security modes and integration of various smart devices.
- Advanced Connectivity: Features WiFi dual antenna structure for stable signals, wider coverage, and a transmission distance of up to 200m in open environments.
- Zigbee 3.0 Support: Offers high security, openness, compatibility, and low power consumption for Zigbee devices.

Figure 4.2: Features of Zigbee 3.0 device support, highlighting security and efficiency.

Figure 4.3: Illustration of the gateway's WiFi dual antenna structure for enhanced signal strength and range.

Figure 4.4: The Gavigain Smart Gateway's minimalist design.
The gateway features a simple and lightweight design, constructed from UV-resistant material to prevent fading over time, making it suitable for various home aesthetics.
5. Setup
Follow these steps to set up your Gavigain Smart Gateway:
- Power Connection: Connect the provided USB cable to the gateway and plug the other end into a 5V/1A power adapter (not included).
- Network Connection:
- For wired connection: Connect one end of the provided network cable to the gateway's Ethernet port and the other end to your router.
- For wireless connection: Ensure your home WiFi network (2.4GHz) is active and accessible.
- App Installation: Download and install the Tuya Smart or Smart Life app on your smartphone or tablet.
- Device Pairing:
- Open the app and create an account or log in.
- Follow the in-app instructions to add a new device. Select "Gateway" or "Hub" from the device list.
- Ensure the gateway is in pairing mode (refer to the gateway's LED indicator for status).
- Connect the gateway to your 2.4GHz WiFi network if using a wireless connection.
- Adding Sub-devices: Once the gateway is connected, you can add up to 128 compatible Zigbee, Bluetooth, or Mesh sub-devices through the app.

Figure 5.1: The process of adding and managing multiple sub-devices with the Multi-mode Gateway via a smartphone application. Note: Other smart devices are sold separately.
6. Operating Instructions
After successful setup, you can operate your smart home devices through the installed application.
6.1 Remote Control
Use the Tuya Smart or Smart Life app to wirelessly control all connected smart devices from anywhere with an internet connection. This includes turning devices on/off, adjusting settings, and monitoring status.
6.2 Multimode Functionality and Security Scenes
The gateway supports customizable security modes and scenes. You can configure specific actions for your smart devices based on different scenarios (e.g., "Home Mode," "Away Mode," "Sleep Mode").
- Customizing Scenes: Within the app, navigate to the "Scenes" or "Automation" section to create custom rules. For example, you can set up a "Guardian Mode" to activate alarms and cameras when you are away from home.
- Device Integration: Integrate various sensors (e.g., flood, smoke, door/window sensors, motion sensors) and cameras to trigger automated responses based on their status.

Figure 6.1: Customizing security scenarios and guardian modes through the mobile application.
7. Maintenance
To ensure the longevity and optimal performance of your Gavigain Smart Gateway, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the gateway. Avoid using liquid cleaners or abrasive materials.
- Firmware Updates: Regularly check the companion app for available firmware updates for the gateway. Updates can improve performance, add new features, and enhance security.
- Environmental Conditions: Ensure the gateway is placed in a well-ventilated area, away from direct sunlight, heat sources, and extreme temperatures.
- Network Stability: Maintain a stable 2.4GHz WiFi network for consistent connectivity.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Gateway not powering on. | Incorrect power adapter; loose cable connection; power outlet issue. | Ensure a 5V/1A power adapter is used. Check USB cable connection. Try a different power outlet. |
| Cannot connect gateway to WiFi. | Incorrect WiFi password; 5GHz network selected; gateway too far from router; network interference. | Verify WiFi password. Ensure you are connecting to a 2.4GHz network. Move gateway closer to the router. Reduce interference from other devices. |
| Sub-devices not connecting to gateway. | Sub-device not in pairing mode; gateway not in pairing mode; sub-device out of range; compatibility issue. | Put both the sub-device and gateway into pairing mode. Ensure sub-device is within range of the gateway. Verify sub-device compatibility with Zigbee, BLE, or Mesh protocols. |
| Remote control not working. | No internet connection on phone or gateway; app issue. | Check internet connectivity on your phone and ensure the gateway is online in the app. Restart the app or gateway. |
9. Specifications
| Item Type | Multimode Gateway |
| Material | ABS + Electronic Components |
| Power Input | 5V/1A |
| Working Temperature | -10℃ to 55℃ |
| Wireless Protocol | 2.4G WiFi, Zigbee, BLE, Mesh |
| Product Size | Approx. 11.4 x 2.8 cm / 4.5 x 1.1 in |
| Weight | Approx. 200g / 7.1oz |
| Model Number | Gavigainb81r3ygnta |

Figure 9.1: Physical dimensions of the Gavigain Smart Gateway.
10. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact Gavigain customer service through their official website or the retailer where the product was purchased. Keep your purchase receipt for warranty claims.