1. Introduction
The WAVLINK 10G Ethernet Adapter (Model WL-NWU342G) provides high-speed wired network connectivity for devices equipped with Thunderbolt 3, Thunderbolt 4, Thunderbolt 5, or USB4 ports. Designed for demanding tasks such as 4K/8K video editing, live streaming, and large file transfers, this adapter delivers stable 10Gbps data transfer with low latency. Its adaptive multi-gig connectivity automatically optimizes speeds from 10M to 10Gbps, ensuring reliable performance across various network environments. Featuring a compact aluminum design for efficient heat dissipation, it is an ideal solution for professionals requiring blazing-fast and stable network access.
2. Package Contents
Please verify that all items are present in your package:
- WAVLINK 10G Ethernet Adapter (WL-NWU342G)
- 0.5M 40Gbps USB-C Cable
- Quick Start Guide
- Driver Download Disc (CD)
- Safety Information Leaflet

3. Specifications
| Feature | Description |
|---|---|
| Model Number | WL-NWU342G |
| Interface Type | USB Type-C |
| Standard Compatibility | Thunderbolt 5, Thunderbolt 4, Thunderbolt 3, USB4 |
| Ethernet Port | 1 x RJ45 (10GBASE-T) |
| Adaptive Speeds | 10M/100M/1G/2.5G/5G/10Gbps |
| Jumbo Frame Support | Up to 16KB |
| Chipset | AQC113-B1 |
| System Requirements | Windows 10/11, Mac OS 11+, Linux 3.10+, Chrome OS |
| Weight | 199g |
| Dimensions (L x W x H) | 3.5 x 2.4 x 0.9 inches |
| Cable Length | 0.5m (USB-C to USB-C) |
| Features | Low-power state (PHY) when inactive, Dual LED indicators (Link Speed, Data Activity) |

4. Setup Guide
Follow these steps to set up your WAVLINK 10G Ethernet Adapter:
- Install Drivers (if necessary):
- For most modern operating systems (Windows 10/11, Mac OS 11+, Linux, Chrome OS), the adapter may be plug-and-play.
- If drivers are not automatically installed, use the provided Driver Download Disc or visit the WAVLINK official website to download the latest drivers for your operating system.
- Follow the on-screen instructions to complete the driver installation.
- Connect the Adapter to your Host Device:
- Take the included 0.5M 40Gbps USB-C cable.
- Connect one end of the USB-C cable to the USB-C port on the WAVLINK 10G Ethernet Adapter.
- Connect the other end of the USB-C cable to a compatible Thunderbolt 3/4/5 or USB4 port on your laptop or desktop computer.
- Connect to your Network:
- Connect a Cat6a or Cat7 Ethernet cable (not included) from your router, Ethernet switch, or wall outlet to the RJ45 10G Ethernet Port on the adapter.
- Ensure your network infrastructure (router/switch, cables) supports 10GBASE-T for optimal performance.
- Verify Connection:
- Once connected, observe the dual LED indicators on the adapter. These LEDs provide real-time status for Link Speed and Data Activity.
- A solid light typically indicates a successful link, and blinking lights indicate data transfer. Refer to the Quick Start Guide for specific LED behavior.


5. Operating Instructions
Once the adapter is successfully installed and connected, it operates automatically to provide a high-speed wired network connection.
- Adaptive Speed: The adapter will automatically detect and adapt to the highest possible network speed supported by your network infrastructure, ranging from 10Mbps to 10Gbps. No manual configuration is typically required for speed adaptation.
- LED Indicators: Monitor the Link Speed and Data Activity LEDs on the adapter to confirm network status. These indicators provide visual feedback on the connection and data flow.
- High-Performance Data Transfer: Leverage the 10Gbps wired connection for bandwidth-intensive applications such as 4K/8K video editing, large file transfers, online gaming, and high-definition streaming without experiencing lag or buffering.

6. Compatibility
The WAVLINK 10G Ethernet Adapter is designed for wide compatibility across various platforms and devices:
- Host Interfaces: Compatible with Thunderbolt 5, Thunderbolt 4, Thunderbolt 3, and USB4 ports. Ensure your host device has at least one of these interfaces for full functionality.
- Operating Systems: Supports Windows 10/11, Mac OS 11 and later, Linux 3.10 and later, and Chrome OS.
- Compatible Devices: Works with a range of devices including MacBook Pro/Air, Dell XPS 15, HP Spectre x360 14", Mac Mini, and Lenovo X1 Carbon.
- Network Environment: Connects seamlessly with standard network components such as routers, Ethernet switches, and wall outlets.
Note: Mobile phones are not supported by this adapter.

7. Maintenance
To ensure the longevity and optimal performance of your WAVLINK 10G Ethernet Adapter, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to gently wipe the adapter's exterior. Avoid using liquid cleaners or solvents, as they may damage the device.
- Storage: Store the adapter in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity when not in use.
- Heat Dissipation: The adapter features an aluminum alloy body and advanced ventilation design for efficient heat dissipation. Ensure that the vents are not obstructed during operation to prevent overheating.
- Cable Care: Handle the USB-C cable carefully. Avoid sharp bends, kinks, or excessive pulling, which can damage the cable and affect connectivity.

8. Troubleshooting
If you encounter issues with your WAVLINK 10G Ethernet Adapter, refer to the following troubleshooting tips:
- No Network Connection:
- Ensure the USB-C cable is securely connected to both the adapter and your host device's Thunderbolt/USB4 port.
- Verify that the Ethernet cable is firmly plugged into both the adapter's RJ45 port and your network device (router/switch).
- Check the LED indicators on the adapter. If no link light is present, try a different Ethernet cable or port on your network device.
- Confirm that your host device's USB-C port supports USB4 or Thunderbolt 3/4/5. Not all USB-C ports have the necessary capabilities.
- Slow Network Speed:
- Ensure your router/switch, Ethernet cable (Cat6a/Cat7 recommended for 10G), and network interface all support 10GBASE-T. If any component is slower, the adapter will adapt to the slowest link speed.
- Check your internet service plan to ensure it provides the expected speeds.
- Update the adapter's drivers to the latest version from the WAVLINK website.
- Adapter Not Recognized by System:
- Try connecting the adapter to a different Thunderbolt/USB4 port on your host device.
- Restart your computer.
- Reinstall the drivers for the adapter.
- Ensure your operating system meets the minimum requirements (Windows 10/11, Mac OS 11+, Linux 3.10+, Chrome OS).
- Overheating:
- Ensure the adapter's ventilation fins are not obstructed. Provide adequate airflow around the device.
- While the aluminum design aids in heat dissipation, prolonged heavy usage in a confined space might cause it to feel warm, which is normal. If it becomes excessively hot, discontinue use and contact support.
9. User Tips
- Optimize for 10G: To achieve true 10Gbps speeds, ensure all components in your network chain (router, switch, Ethernet cables, and host device port) are rated for 10GBASE-T. Using Cat5e or Cat6 cables will limit speeds to 1Gbps or 2.5/5Gbps respectively.
- Driver Updates: Regularly check the WAVLINK official website for updated drivers to ensure optimal performance and compatibility with the latest operating system versions.
- Cable Quality: Always use the provided high-quality USB-C cable or a certified equivalent to ensure stable and high-speed data transmission between the adapter and your host device.
10. Warranty and Support
WAVLINK products are designed for reliability and performance. This product comes with a 1-year warranty from the date of purchase, covering manufacturing defects.
- Warranty Claims: For warranty service, please retain your proof of purchase.
- Technical Support: If you require technical assistance or have questions not covered in this manual, please contact WAVLINK customer support. Contact information can typically be found on the WAVLINK official website or in the Quick Start Guide.





