1. Introduction
The COMFAST CF-WU818N is a high-speed 150Mbps USB WiFi Adapter designed to provide wireless internet access for desktop and laptop computers. Featuring a driver-free design for Windows 8/8.1/10/11, it offers a convenient plug-and-play experience. Its external 3dBi rotating antenna enhances signal reception and coverage, making it ideal for stable and efficient wireless connectivity.
2. Package Contents
Please check the package for the following items:
- 1 x COMFAST CF-WU818N USB Wireless LAN Adapter with Antenna
3. Specifications
| Feature | Detail |
|---|---|
| Model | CF-WU818N |
| Chipset | ATBM6431 |
| Wireless Frequency | 2.412 - 2.484 GHz |
| Wireless Standard | IEEE802.11b/g/n |
| Wireless Transmission Rate | 150 Mbps |
| Interface Type | USB 2.0 |
| Antenna | 3dBi High-Gain Rotating Antenna |
| Transmitting Power | 20dBm |
| Work Status Indicator | Yes |
| Supported Operating Systems | Windows XP/8/8.1/7/10 (32-bit, 64-bit)/11 (64-bit). Driver-free for Windows 8/8.1/10/11. |
| Application | Desktop/Notebook |
| Product Dimensions (L x W x H) | 174 x 19 x 12.5 mm |
| Working Temperature | -10℃ to 55℃ |
| Storage Temperature | -40℃ to 70℃ |
| Working Humidity | 10% to 90% RH Non-condensing |
| Storage Humidity | 5% to 90% RH Non-condensing |
| Material | Imported ABS, Rust-proof USB head |
4. Setup and Installation
The COMFAST CF-WU818N features a driver-free design for modern Windows operating systems, ensuring a simple plug-and-play experience.
4.1 Driver-Free Installation (Windows 8/8.1/10/11)
- Ensure your computer is powered on.
- Insert the CF-WU818N USB WiFi Adapter into an available USB 2.0 port on your desktop or laptop computer.
- The operating system (Windows 8/8.1/10/11) will automatically detect the device and install the necessary drivers.
- A prompt may appear if the system needs to unzip the built-in driver; you can skip this step as installation is automatic.
- Once installed, the WiFi signal light on the adapter will illuminate, indicating it is ready for use.
- You can now connect to available Wi-Fi networks through your operating system's network settings.
4.2 Installation for Windows XP/7
For Windows XP and Windows 7, manual driver installation might be required if the system does not automatically detect the device. Please refer to the manufacturer's website for the latest drivers if needed.
5. Operation
5.1 Connecting to a Wi-Fi Network
- After successful installation, open your computer's network settings (e.g., Wi-Fi icon in the system tray on Windows).
- Select the desired Wi-Fi network from the list of available networks.
- Enter the network password (if required) and click "Connect".
- Once connected, your computer will have wireless internet access.
5.2 Adjusting the Antenna for Optimal Signal
The CF-WU818N features a flexible, rotatable antenna designed to optimize signal reception and transmission. You can adjust the antenna angle to improve Wi-Fi coverage and signal strength, especially for "through-wall" performance.
- Rotate the antenna horizontally (90°) or vertically (180°) to find the best signal orientation.
- Experiment with different angles to achieve the most stable and strongest connection, enhancing wall penetration capabilities.
5.3 High-Speed Connectivity
Leveraging 11N wireless technology, the CF-WU818N provides a wireless transmission rate of 150Mbps, ensuring efficient LAN data transmission and a smoother experience for activities like video streaming, live broadcasting, and online gaming.
5.4 Wi-Fi Transmitting Function (SoftAP Mode)
The adapter supports Wi-Fi transmitting functions, allowing your computer to act as a wireless hotspot. This enables other devices like mobile phones and tablets to connect to your computer's internet connection wirelessly. This feature typically requires specific software or operating system capabilities (e.g., Mobile Hotspot in Windows 10/11).
6. Maintenance
To ensure the longevity and optimal performance of your COMFAST CF-WU818N USB WiFi Adapter, follow these simple maintenance guidelines:
- Keep Clean: Regularly wipe the adapter with a soft, dry cloth to remove dust and dirt. Avoid using liquid cleaners.
- Protect USB Port: The adapter features a rust-proof USB head. Avoid excessive force when inserting or removing it from your computer's USB port to prevent damage.
- Handle with Care: The adapter is made from imported ABS material, designed to be heat and pressure resistant. However, avoid dropping the device or subjecting it to extreme physical impact.
- Environmental Conditions: Operate and store the adapter within the specified temperature and humidity ranges to prevent damage (refer to Specifications section).
- Unplug When Not in Use: If the adapter will not be used for an extended period, it is advisable to unplug it from the computer.
7. Troubleshooting
If you encounter issues with your CF-WU818N adapter, consider the following common solutions:
- No Wi-Fi Connection:
- Ensure the adapter is securely plugged into a working USB port.
- Check if the Wi-Fi signal light on the adapter is illuminated. If not, try a different USB port.
- Verify that Wi-Fi is enabled in your computer's operating system settings.
- Restart your computer and your wireless router.
- For Windows XP/7, ensure the correct drivers are installed.
- Slow Connection Speed:
- Adjust the antenna angle to optimize signal reception (refer to Section 5.2).
- Ensure the adapter is not obstructed by large objects or other electronic devices that might cause interference.
- Move closer to your wireless router.
- Check for other devices on your network that might be consuming bandwidth.
- Adapter Not Recognized:
- Try plugging the adapter into a different USB port.
- Restart your computer.
- For Windows XP/7, you may need to manually install drivers from the COMFAST website.
7.1 Benefits of Driver-Free Design
The CF-WU818N's driver-free design for Windows 8/8.1/10/11 helps mitigate common issues associated with traditional WiFi adapters:
- No CD-ROM Required: Eliminates the need for a physical CD for driver installation.
- No Driver Loss/Damage: Reduces problems caused by lost or corrupted driver CDs.
- Internet Not Required for Driver Installation: Since drivers are built-in, you don't need an existing internet connection to get the adapter working.
8. User Tips
- For optimal performance, connect the adapter to a USB port directly on your computer rather than through a USB hub.
- Position the antenna to point towards your wireless router for the best signal strength.
- If using the Wi-Fi transmitting function, ensure your computer's firewall settings allow connections from other devices.
9. Warranty and Support
For warranty information, technical support, or further assistance, please contact the COMFAST Official Store or refer to the product packaging for specific details. Keep your purchase receipt as proof of purchase.
