Introduction
This manual provides detailed instructions for the UGREEN AX1800 USB WiFi 6 Adapter. It covers setup, operation, features, and troubleshooting to ensure optimal performance and a stable wireless connection for your PC or laptop.

Image: The UGREEN AX1800 USB WiFi 6 Adapter, a compact blue device with a USB-A connector.
Setup
1. Driver Installation
The UGREEN AX1800 USB WiFi 6 Adapter features a built-in driver for Windows 10 and Windows 11, simplifying the installation process.
- Insert the Adapter: Plug the UGREEN AX1800 USB WiFi 6 Adapter into an available USB 3.0 port on your PC or laptop.
- Run Setup: Once inserted, the system should detect the adapter as a storage device. Navigate to 'This PC' or 'My Computer', locate the adapter drive, and double-click the 'Setup.exe' file to begin the driver installation.
- Restart System: Follow the on-screen prompts to complete the installation. A system restart may be required for the changes to take full effect.

Image: Visual guide showing three steps for easy installation: insert into PC/laptop, click 'Setup.exe', and restart for setup completion.
2. Connecting to a Wireless Network
After successful driver installation, you can connect to your Wi-Fi network:
- Access Network Settings: Click on the Wi-Fi icon in your system tray (usually in the bottom-right corner of the screen on Windows).
- Select Network: A list of available Wi-Fi networks will appear. Select your desired network (SSID).
- Enter Password: Enter the network security key (Wi-Fi password) and click 'Connect'.
- Verify Connection: Once connected, the Wi-Fi icon will indicate an active connection.
Operating the Adapter
Dual-Band Functionality
The UGREEN AX1800 adapter supports dual-band operation, utilizing both 2.4 GHz and 5 GHz frequencies. This allows for flexible connectivity based on your needs:
- 2.4 GHz Band: Offers wider coverage and better penetration through walls, suitable for general internet browsing and devices further from the router.
- 5 GHz Band: Provides faster speeds and lower latency, ideal for online gaming, 4K video streaming, and other bandwidth-intensive applications, especially when closer to the router.

Image: The UGREEN AX1800 WiFi 6 Adapter highlighting its dual-band capabilities, showing 1201 Mbps on 5 GHz and 574 Mbps on 2.4 GHz.
Enhanced Wi-Fi 6 Features
The adapter leverages advanced Wi-Fi 6 (802.11ax) technologies to improve your wireless experience:
- OFDMA (Orthogonal Frequency-Division Multiple Access): Improves network efficiency by allowing multiple devices to share a single channel, reducing latency and increasing throughput.
- 1024-QAM (Quadrature Amplitude Modulation): Increases data rates by packing more data into each signal, leading to faster speeds.
- MIMO (Multiple-Input Multiple-Output) & Beamforming: These technologies work together to focus Wi-Fi signals towards connected devices, enhancing signal strength, coverage, and stability, similar to a wired connection.

Image: A desktop computer with the UGREEN WiFi adapter plugged in, illustrating MIMO and Beamforming technologies for stable network performance during gaming.

Image: A diagram showing a house floor plan with the UGREEN WiFi adapter centrally located, emitting a wide, circular signal to various devices, indicating extensive Wi-Fi coverage.
Security
The UGREEN AX1800 adapter supports WPA3 encryption, providing enhanced security for your wireless network. WPA3 offers stronger authentication and encryption, protecting your data from unauthorized access and ensuring a safer online experience.

Image: A person using a laptop with a secure login screen overlayed, emphasizing WPA3 encryption for data protection with the UGREEN WiFi adapter.
Product Overview Video
Video: An official UGREEN video showcasing the AX1800 USB WiFi 6 adapter, highlighting its features and benefits for upgrading wireless speed and connectivity on various devices.
Compatibility
The UGREEN AX1800 USB WiFi 6 Adapter is designed for broad compatibility with modern computing environments:
- Operating Systems: Windows 11, Windows 10, macOS.
- Devices: Desktop PCs, Laptops.

Image: An illustration showing the UGREEN WiFi adapter's compatibility with Windows 11, Windows 10, laptops, and desktop PCs.
Maintenance
To ensure the longevity and optimal performance of your UGREEN AX1800 USB WiFi 6 Adapter, consider the following maintenance tips:
- Keep Drivers Updated: Periodically check the UGREEN official website for the latest driver updates to ensure compatibility and performance improvements.
- Physical Care: Keep the adapter clean and free from dust. Avoid exposing it to extreme temperatures or moisture.
- Safe Handling: Always remove the adapter by pulling the USB connector directly, avoiding bending or twisting that could damage the port or the device.
Troubleshooting
If you encounter issues with your UGREEN AX1800 USB WiFi 6 Adapter, try the following steps:
- Adapter Not Detected: Try plugging the adapter into a different USB port. Ensure the USB port is functional. Restart your computer.
- Driver Installation Issues: If the 'Setup.exe' does not run automatically, manually browse the adapter's drive and execute the file. Ensure your operating system is supported (Windows 10/11, macOS).
- No Wi-Fi Connection: Verify that your router is powered on and broadcasting a Wi-Fi signal. Double-check your Wi-Fi password. Ensure the adapter's drivers are correctly installed and enabled in Device Manager (Windows) or Network Preferences (macOS).
- Slow Speed/Unstable Connection: Ensure you are connected to the 5 GHz band if available and within close proximity to the router for optimal performance. Check for interference from other electronic devices. Update your router's firmware.
- Intermittent Disconnections: This could be due to signal interference or outdated drivers. Try moving closer to your router or updating the adapter's drivers.
If problems persist, refer to the UGREEN support website for further assistance.
Specifications
| Brand | UGREEN |
| Model Number | CM499 |
| Hardware Interface | USB |
| Data Link Protocol | USB |
| Data Transfer Rate | 1201 Megabits Per Second (5GHz), 574 Megabits Per Second (2.4GHz) |
| Compatible Devices | Desktop, Laptop |
| Compatible Operating System Family | MacOS, Windows (10/11) |
| Product Dimensions | 0.79 x 3.78 x 6.14 inches |
| Item Weight | 2.11 ounces (0.06 Kilograms) |
Warranty & Support
UGREEN products are designed for reliability and performance. For information regarding warranty coverage, technical support, or customer service, please visit the official UGREEN website or contact their customer support team directly. Ensure you have your product model number (CM499) and purchase details available when seeking support.
Official UGREEN Store: UGREEN Store on Amazon





