1. Introduction
The Gaoducash Tuya ZigBee 3.0 Wireless Smart Home Hub serves as a central control unit for your smart home ecosystem. It facilitates communication between various ZigBee devices and your Wi-Fi network, enabling remote control and automation through the Smart Life or Tuya Smart application. This hub creates a stable and secure smart home network, allowing for seamless integration and control of compatible devices.
2. Product Overview
2.1 Package Contents
- 1x Gaoducash Tuya ZigBee 3.0 Wireless Smart Home Hub
- 1x USB Cable
- 1x User Manual (this document)
2.2 Key Features
- ZigBee 3.0 Compatibility: Essential for all ZigBee products, acting as a bridge and control center.
- Remote Control: Manage smart devices from anywhere using the Smart Life or Tuya Smart app.
- Voice Control: Compatible with Amazon Alexa and Google Assistant for hands-free operation.
- Smart Home Automation: Enables device linkage and automation scenarios between ZigBee and Wi-Fi devices.
- Network Stability: Each ZigBee device acts as a repeater, expanding signal coverage and enhancing system stability.
- Easy Installation: Simple setup without complex wiring.
- OTA Updates: Supports Over-The-Air firmware updates for continuous improvement.
2.3 Product Diagram and Dimensions

Figure 1: Front view of the Gaoducash Tuya ZigBee 3.0 Wireless Smart Home Hub. The hub features a minimalist design with an indicator light ring.

Figure 2: Detailed view of the hub showing its dimensions (78mm x 78mm x 25mm) and port locations, including the USB power port and reset button.
3. Setup Instructions
3.1 Powering On the Hub
- Connect the provided USB cable to the USB port on the hub.
- Plug the other end of the USB cable into a 5V/1A USB power adapter (not included) and then into a power outlet.
- The indicator light on the hub will illuminate, indicating it is powered on.
3.2 Installing the Smart Life / Tuya Smart App
- Download the "Smart Life" or "Tuya Smart" app from your mobile device's app store (App Store for iOS, Google Play Store for Android).
- Alternatively, scan the QR code provided in Figure 3 to directly access the app download page.
- Register or log in to your account within the app.

Figure 3: The Tuya Smart Life app interface with a QR code for easy download. This image also illustrates the cross-protocol linkage capabilities of the hub with various smart devices. The QR code links to http://smartapp.tuya.com/smartlife.
3.3 Adding the Hub to the App
- Open the Smart Life or Tuya Smart app.
- Tap the "+" icon in the top right corner to add a device.
- Select "Gateway" or "Control Hub" from the device list, then choose "Wireless Gateway (ZigBee)".
- Follow the on-screen instructions to connect the hub to your 2.4GHz Wi-Fi network. Ensure your mobile device is also connected to the 2.4GHz Wi-Fi network during this process. Note: The hub does not support 5GHz Wi-Fi networks.
- Once successfully added, the hub will appear in your device list.
3.4 Adding ZigBee Sub-Devices
- In the app, tap on the added ZigBee hub.
- Select "Add sub-device" or a similar option.
- Put your ZigBee device into pairing mode (refer to the specific device's manual for instructions).
- The app will search for and discover nearby ZigBee devices.
- Once discovered, add the device and assign it a name and room if desired.

Figure 4: Illustration of the hub's capability to support star, tree, and mesh network topologies, allowing connection of 45+ sub-devices for stronger signal and wider coverage throughout a home.
4. Operating Instructions
4.1 Remote Control via App
After successfully adding your ZigBee devices to the hub through the Smart Life or Tuya Smart app, you can control them remotely from anywhere with an internet connection. The app provides an interface to turn devices on/off, adjust settings, and monitor their status.
4.2 Voice Control Integration
The Gaoducash ZigBee hub supports voice control through Amazon Alexa and Google Assistant. To enable this feature:
- Ensure your hub and ZigBee devices are properly configured in the Smart Life/Tuya Smart app.
- Open the Amazon Alexa or Google Home app.
- Navigate to the "Skills & Games" (Alexa) or "Works with Google" (Google Home) section.
- Search for and enable the "Smart Life" or "Tuya Smart" skill/service.
- Link your Smart Life/Tuya Smart account with Alexa/Google Home.
- Discover devices. Once linked, you can use voice commands such as "Alexa, turn on the light" or "Hey Google, turn on the AC."

Figure 5: The hub supports voice control with smart speakers like Amazon Alexa and Google Home, allowing users to issue commands such as "OK, Google, Turn on the light."
4.3 Smart Home Automation
The hub enables the creation of automated routines and scenes. Sub-devices connected to the gateway can act as triggers or actions for interactions between ZigBee and Wi-Fi devices. For example, a ZigBee motion sensor can trigger a Wi-Fi light bulb to turn on. Configure these automations within the Smart Life/Tuya Smart app's "Smart" or "Automation" section.

Figure 6: Diagram illustrating the ZigBee 3.0 network, showing how the ZigBee Gateway connects to a WLAN Router (2.4GHz WiFi) and various Tuya ZigBee Devices, enabling APP Remote Control and Voice Control.
5. Maintenance
5.1 Firmware Updates (OTA)
The hub supports Over-The-Air (OTA) firmware updates. The Smart Life/Tuya Smart app will notify you when new firmware versions are available. It is recommended to keep your hub's firmware updated to ensure optimal performance, security, and compatibility with new devices.

Figure 7: Overview of key features including OTA online update, data encryption, USB power supply, indicator light, push notifications, remote control, and scene linkage.
5.2 Resetting the Hub
If you encounter persistent issues or wish to reconfigure your hub, you can perform a factory reset. Locate the reset button (refer to Figure 2 for location) and press and hold it for approximately 5-10 seconds until the indicator light changes, indicating a reset. This will clear all pairing information and restore the hub to its factory settings.
5.3 General Care
- Keep the hub in a dry environment, away from direct sunlight and extreme temperatures.
- Avoid placing the hub near large metal objects or other sources of interference that could affect wireless signal strength.
- Clean the device with a soft, dry cloth. Do not use liquid cleaners.
6. Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Hub not powering on | No power, faulty USB cable/adapter | Check USB cable connection, try a different USB power adapter (5V/1A). |
| Hub not connecting to Wi-Fi | Incorrect Wi-Fi band, wrong password, weak signal | Ensure your router is broadcasting a 2.4GHz Wi-Fi network. Confirm correct Wi-Fi password. Move hub closer to the router. Reset the hub and try pairing again. |
| ZigBee device not pairing | Device not in pairing mode, out of range, interference | Ensure the ZigBee device is in pairing mode. Move the device closer to the hub. Check for potential interference sources. Reset the ZigBee device and try again. |
| Voice control not working | Skill not enabled, account not linked, device not discovered | Verify the "Smart Life" or "Tuya Smart" skill is enabled and linked in your Alexa/Google Home app. Ensure devices are discovered. |
| App shows "Offline" | Internet connection issue, hub power loss | Check your home internet connection. Ensure the hub is powered on and connected to Wi-Fi. Restart the hub and your router. |
7. Specifications
| Parameter | Detail |
|---|---|
| Product Name | Smart Gateway Hub |
| Model Number | zigbee hub 2023 |
| App Compatibility | Tuya Smart, Smart Life app |
| Wireless Frequency | 2.4GHz (Wi-Fi, does NOT support 5GHz) |
| USB Power Input | 5V/1A |
| Working Temperature | -10°C to 55°C (14°F to 131°F) |
| Working Humidity | 10% - 90% RH (non-condensing) |
| Communication Protocol | Zigbee 3.0 |
| Network Protocol | Zigbee IEEE 802.15.4 |
| Frequency Band | 2.4 ~ 2.485GHz |
| Maximum Output Power | 19dBm |
| Network Topology | Supports Star, Tree, Mesh networks |
| Firmware Upgrade | OTA Support |
| Product Dimensions | 78mm x 78mm x 25mm (3.06in x 3.06in x 0.98in) |
| Item Weight | 3.2 ounces |
8. Warranty and Support
8.1 Warranty Information
This Gaoducash Tuya ZigBee 3.0 Wireless Smart Home Hub comes with a full 2-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product functions as described under normal use. Please retain your proof of purchase for warranty claims.
8.2 Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Gaoducash customer support through the retailer's platform or the contact information provided with your purchase. When contacting support, please have your product model number (zigbee hub 2023) and purchase details ready.