1. Introduction
The Waveshare AW-CB375NF is a high-performance dual-band wireless network card designed to provide reliable and fast wireless connectivity. This module supports both 2.4GHz and 5GHz frequency bands, offering Wi-Fi 5 (802.11ac) capabilities with speeds up to 867Mbps on the 5GHz band and 300Mbps on the 2.4GHz band. It also integrates Bluetooth 5.0, ensuring compatibility with a wide range of Bluetooth devices. This manual provides essential information for the installation, operation, and maintenance of your AW-CB375NF wireless network card.

2. Package Contents
Please verify that all items listed below are included in your package:
- 1 x AW-CB375NF Wireless Network Card Module
- 2 x Antennas
- 2 x Adapter Cables (for antenna connection)

3. Specifications
| Feature | Description |
|---|---|
| Model | AW-CB375NF |
| Wireless Standard | IEEE 802.11ac/m (Wi-Fi 5) |
| Frequency Bands | 2.4GHz / 5GHz (Dual Band) |
| 2.4GHz Data Rate | Up to 300Mbps |
| 5GHz Data Rate | Up to 867Mbps |
| Bluetooth Standard | Bluetooth 5.0 (compatible with 2.1+EDR) |
| Interface | NGFF (M.2 A/E Key) |
| Antenna Configuration | MIMO OFDM (2T2R - Two Transmission, Two Reception Paths) |
| Chipset | RTL8822CE-CG |
| Supported OS | Linux, Windows 10/11 |
4. Installation Guide
Follow these steps to install your Waveshare AW-CB375NF wireless network card:
- Prepare Your System: Power off your computer and disconnect it from the power source. Open the computer case to access the motherboard.
- Locate M.2 Slot: Identify an available M.2 A/E Key slot on your motherboard. Refer to your motherboard's manual if you are unsure.
- Install the Network Card: Gently insert the AW-CB375NF module into the M.2 slot at a slight angle. Once seated, push down the module and secure it with the screw provided with your motherboard (not included with the network card).
- Connect Adapter Cables: Attach the two adapter cables to the "Aux" and "Main" connectors on the AW-CB375NF module. Ensure a firm connection.

Figure 3: Network card with adapter cables and antennas connected. - Install Antennas: Route the other end of the adapter cables to the desired location on your computer case (e.g., a PCI bracket with antenna holes). Screw the two external antennas onto the adapter cable connectors. Position the antennas for optimal signal reception.

Figure 4: Adapter cables for antenna connection. - Close Case and Power On: Close your computer case, reconnect the power, and power on your system.
5. Driver Installation
For optimal performance and full functionality, it is recommended to install the latest drivers for the RTL8822CE-CG chipset. While Windows 10/11 may automatically install generic drivers, specific drivers often provide better stability and features.
- Windows: For Windows 10/11, the operating system may automatically detect and install the necessary drivers. If not, or for updated drivers, visit the official Realtek website or your motherboard manufacturer's support page and search for drivers compatible with the RTL8822CE-CG chipset.
- Linux: For Linux distributions, driver installation may vary. Many modern distributions include support for the RTL8822CE-CG chipset out-of-the-box. If you encounter issues, consult your distribution's documentation or community forums for specific driver installation instructions.
6. Operation
Once the network card is installed and drivers are in place, your system will recognize it as a wireless adapter and Bluetooth device.
6.1. Connecting to Wi-Fi Networks
- Navigate to your operating system's network settings (e.g., Wi-Fi icon in the taskbar for Windows, Network Manager for Linux).
- Select the desired Wi-Fi network from the list of available networks.
- Enter the network password (if required) and click "Connect".
- Your system should now be connected to the Wi-Fi network.
6.2. Using Bluetooth
- Ensure Bluetooth is enabled in your operating system's settings.
- Put your Bluetooth device (e.g., headphones, mouse) into pairing mode.
- In your system's Bluetooth settings, search for new devices.
- Select your device from the list and follow any on-screen prompts to complete the pairing process.
7. Troubleshooting
- No Wi-Fi or Bluetooth detected:
- Ensure the card is correctly seated in the M.2 slot.
- Verify that the adapter cables and antennas are securely connected.
- Check Device Manager (Windows) or network utilities (Linux) to see if the device is recognized and drivers are installed. Reinstall drivers if necessary.
- Ensure Wi-Fi and Bluetooth are enabled in your operating system settings.
- Poor Wi-Fi signal or slow speeds:
- Adjust the position of the external antennas for better reception.
- Ensure your router is within range and operating on an optimal channel.
- Check for interference from other electronic devices.
- Update your network card drivers to the latest version.
- Bluetooth pairing issues:
- Ensure the Bluetooth device is in pairing mode and fully charged.
- Remove any previous pairings of the device from your system and try again.
- Restart your computer and the Bluetooth device.
8. Maintenance
The Waveshare AW-CB375NF wireless network card requires minimal maintenance. To ensure longevity and optimal performance:
- Keep your computer's interior clean and free of dust to prevent overheating of components, including the network card.
- Ensure adequate airflow within your computer case.
- Regularly update your operating system and network card drivers.
9. Warranty and Support
For warranty information and technical support, please refer to the Waveshare official website or contact your retailer. Keep your purchase receipt as proof of purchase for any warranty claims.