1. Introduction
The WAVLINK AXE5400 PCIe WiFi 6E Tri-Band Wireless Network Card is designed to enhance your desktop computer's wireless connectivity and performance. Powered by the Intel AX210 chip, this adapter supports the latest Wi-Fi 6E standard, offering tri-band speeds across 2.4GHz, 5GHz, and the new 6GHz frequency bands. It also integrates Bluetooth 5.3 for seamless connection with compatible peripherals.
Key features include:
- Tri-Band Speeds: Up to 574Mbps (2.4GHz), 2400Mbps (5GHz), and 2400Mbps (6GHz) for a combined AX5400Mbps.
- Intel AX210 Chip: Ensures reliable and high-performance wireless connectivity.
- Bluetooth 5.3: Provides faster speeds and extended range for Bluetooth devices.
- Advanced Technologies: Supports OFDMA, MU-MIMO, and 1024-QAM for improved efficiency and reduced latency in crowded networks.
- Enhanced Security: Features WPA3 encryption for robust network protection.
- High-Gain Antennas: Dual 5dBi external antennas boost signal strength and coverage.
- Broad Compatibility: Works with Windows 10/11 (64-bit) and Linux operating systems, fitting PCIe X1/X4/X8/X16 slots.
2. What's in the Box
Verify that all items are present in the package:
- 1x WiFi 6E Tri-Band AX5400 PCIe Adapter with Bluetooth 5.3
- 1x Bluetooth Cable
- 2x High-Gain Antennas
- 1x Low Profile Bracket
- 3x Screws
- 1x Drivers Download Card
- 1x User Manual

Image: Contents of the WAVLINK AXE5400 package, including the PCIe card, antennas, cables, and documentation.
3. Specifications
| Brand | WAVLINK |
| Model | AXE5400 (WN675X3-C) |
| Hardware Interface | PCIE x 1 (Compatible with PCIe X1/X4/X8/X16 slots, not PCI) |
| Data Link Protocol | Bluetooth, Gigabit Ethernet (Wireless) |
| Data Transfer Rate | 5400 Megabits Per Second (Combined) |
| Wi-Fi Bands | 2.4GHz (574Mbps), 5GHz (2400Mbps), 6GHz (2400Mbps) |
| Bluetooth Version | 5.3 |
| Antennas | 2x 5dBi High-Gain Antennas |
| Compatible Devices | Desktop, Game Console, Headphone, Keyboard, Mouse |
| Operating Systems | Windows 10/11 (64-bit), Linux |
| Item Weight | 7 ounces |
| Package Dimensions | 8.78 x 5.43 x 1.02 inches |
4. Setup Guide
Follow these steps to install your WAVLINK AXE5400 PCIe adapter:
- Prepare Your PC: Power off your computer and unplug all cables. Open the PC case to access the motherboard.
- Install the PCIe Card: Locate an available PCIe slot (X1, X4, X8, or X16). Carefully insert the WAVLINK AXE5400 adapter into the slot until it is firmly seated. Secure the card with a screw if your case requires it.
- Connect Bluetooth Cable (Optional): For Bluetooth functionality, connect the small end of the provided Bluetooth cable to the adapter's Bluetooth header. Connect the other end (9-pin USB connector) to an available F_USB header on your motherboard.
- Attach Antennas: Connect the two high-gain antennas to the gold-plated connectors on the back of the PCIe card. You can adjust their angle for optimal signal reception.
- Close PC Case: Once the card and cables are securely installed, close your PC case.
- Power On and Install Drivers: Reconnect all cables and power on your computer. Visit the official WAVLINK website (www.wavlink.com/en_us/drivers.html) to download the latest drivers for your specific model (WN675X3-C). Install both the Wi-Fi and Bluetooth drivers.

Image: Diagram showing compatible PCIe slots and the Bluetooth USB header connection.

Image: The WAVLINK AXE5400 PCIe card with its two high-gain antennas and Bluetooth cable.
Installation Video Guide
Video: A detailed guide on installing the WAVLINK WiFi 6E PCIe AX5400M WiFi Card with Bluetooth 5.3 into a desktop computer, covering physical installation and driver setup.
Video: An unboxing and installation overview of the WAVLINK PCIe WiFi 6E WiFi Card, demonstrating the physical setup process within a PC case.
5. Operating Instructions
5.1. Connecting to Wi-Fi
- After successful driver installation, click on the Wi-Fi icon in your system tray (usually bottom-right corner of the screen).
- A list of available wireless networks will appear. Select your desired network (2.4GHz, 5GHz, or 6GHz band).
- Enter the network security key (password) if prompted, and click 'Connect'.
- Your computer should now be connected to the Wi-Fi network.
5.2. Connecting Bluetooth Devices
- Ensure the Bluetooth cable is connected to your motherboard's USB header and the adapter.
- Go to your computer's 'Settings' (e.g., Windows: Start Menu > Settings > Bluetooth & devices).
- Turn on Bluetooth.
- Put your Bluetooth device (e.g., headphones, keyboard, mouse) into pairing mode.
- On your computer, click 'Add device' or 'Add Bluetooth or other device' and select 'Bluetooth'.
- Select your device from the list and follow any on-screen prompts to complete the pairing process.

Image: Diagram illustrating Bluetooth 5.3 connectivity with various devices like keyboards, mice, gamepads, and audio devices.
6. Maintenance
- Driver Updates: Regularly check the WAVLINK website for updated drivers to ensure optimal performance and compatibility.
- Physical Inspection: Periodically check the antenna connections and the PCIe card's seating within the slot to ensure they are secure.
- Cleaning: Keep your PC case and the adapter free from dust to maintain proper airflow and heat dissipation.
7. Troubleshooting
- No Wi-Fi or Bluetooth Detected:
- Ensure the PCIe card is correctly seated in its slot.
- Verify that the Bluetooth cable is securely connected to both the adapter and the motherboard's USB header.
- Check Device Manager (Windows) to see if the adapter is recognized and if there are any driver issues. Reinstall drivers if necessary.
- Poor Signal Strength or Slow Speeds:
- Adjust the position and angle of the external antennas for better reception.
- Ensure your Wi-Fi router supports Wi-Fi 6E and is configured for optimal performance.
- Minimize obstructions between your PC and the Wi-Fi router.
- Update your Wi-Fi router's firmware.
- Bluetooth Device Not Pairing:
- Ensure the Bluetooth cable is properly connected.
- Verify your Bluetooth device is in pairing mode and within range.
- Remove and re-add the Bluetooth device in your computer's settings.
8. Warranty and Support
The WAVLINK AXE5400 PCIe adapter comes with a 12-month warranty. Registered users may receive an extended 18-month warranty. Lifetime technical support is also provided.
For technical assistance or warranty claims, please contact WAVLINK support:
- Email: support@wavlink.com
- Live Chat Support: Visit www.wavlink.com
- Phone (US Local): +1(888)973-0883 (Mon-Fri 09:00 am - 10:00 pm UTC-5)





