1. Introduction
This manual provides instructions for the installation and operation of your eppfun WiFi 6 USB Adapter, model AK3040A. This device allows your computer to connect to a wireless network using the latest Wi-Fi 6 (802.11ax) standard, offering enhanced speed and security. It is designed for plug-and-play functionality on compatible Windows systems.

Image 1.1: eppfun WiFi 6 USB Adapter AK3040A
2. Safety Information
- Keep the device away from water, fire, high temperatures, and corrosive environments.
- Do not attempt to disassemble, repair, or modify the device.
- Use the device within its specified operating temperature and humidity ranges.
- Ensure proper ventilation around the device during operation.
3. Package Contents
The package should contain the following item:
- eppfun WiFi 6 USB Adapter AK3040A
4. Setup
4.1. System Requirements
- Operating System: Windows 11 or Windows 10 (64-bit/32-bit)
- Available USB 2.0 port
- Note: This adapter is not compatible with Mac OS, iOS, iPad OS, Android OS, Chrome OS, or Windows 8.1/7.

Image 4.1: Connection Method and OS Compatibility
4.2. Driver Installation
The eppfun WiFi 6 USB Adapter is designed for plug-and-play functionality. The driver software should install automatically when the adapter is connected to a compatible Windows 10 or 11 PC. If automatic installation does not occur, follow these steps:
- Insert the USB wireless LAN adapter into an available USB port on your computer.
- Open "This PC" (or "My Computer") from your desktop.
- Double-click the detected [Drive] disk (e.g., Drive (E:)). This drive contains the driver installation files.
- Locate and click on the "WiFi automatic installation settings" or similar executable file. The installation process will begin, and the installation window will disappear upon completion.

Image 4.2: Driver Installation Process
5. Operating Instructions
5.1. Connecting to a Wi-Fi Network
Once the driver is successfully installed, you can connect to a Wi-Fi network:
- Click the Wi-Fi icon located on the right side of the taskbar (usually near the clock).
- A list of available Wi-Fi networks will appear. Select your desired Wi-Fi network.
- Enter the network password (security key) when prompted.
- Click "Connect". Your computer should now be connected to the Wi-Fi network.
The adapter supports Wi-Fi 6 (802.11ax) standards and WPA3 Personal security. For WPA3 security to function, your Wi-Fi router must also support WPA3.
6. Specifications
| Feature | Description |
|---|---|
| Brand | eppfun |
| Model | AK3040A |
| Hardware Interface | USB 2.0 |
| Color | Black |
| Compatible Devices | Windows 10, Windows 11, Laptops |
| Data Link Protocol | 802.11b/g/n/a/ax |
| Data Transfer Rate | 286.8 Megabits Per Second |
| Security Protocol | WPA3 Personal (requires compatible router) |
| UPC | 792933358487 |
7. Troubleshooting
- No Wi-Fi networks detected: Ensure the adapter is properly inserted into a USB port. Check if your computer's Wi-Fi is enabled. Verify that your Wi-Fi router is powered on and broadcasting a signal.
- Slow connection speed: Ensure your router supports Wi-Fi 6 (802.11ax) for optimal performance. Move closer to your Wi-Fi router to improve signal strength. Check for interference from other electronic devices.
- Driver installation failed: Try inserting the adapter into a different USB port. Restart your computer and attempt the installation again. Ensure your Windows operating system is up to date.
- Cannot connect to WPA3 network: Confirm that your Wi-Fi router is configured for WPA3 security and supports it.
8. Maintenance
- Keep the adapter clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the adapter to extreme temperatures or humidity.
- Store the adapter in a safe place when not in use to prevent physical damage.
9. Warranty and Support
eppfun provides a 12-month warranty for this product. If you have any questions or encounter issues, please contact eppfun customer support. We aim to resolve your concerns as quickly as possible.
For further assistance, please visit the official eppfun store on Amazon or contact their customer service directly.