1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your COMFAST 1300Mbps Dual Band USB3.0 WiFi Adapter. This device is designed to provide high-speed wireless connectivity for your computer, supporting both 2.4GHz and 5GHz bands, and features a driver-free installation for Windows systems. Two models are available: CF-WU785AC with four 6dBi antennas and CF-WU782ACV2 with two 6dBi antennas.
2. Package Contents
- 1x COMFAST 1300Mbps WiFi Adapter (CF-WU785AC or CF-WU782ACV2)
- 1x 1.2M USB Cable
- 1x Quick Installation Guide
3. Specifications
| Feature | CF-WU785AC | CF-WU782ACV2 |
|---|---|---|
| Model | CF-WU785AC | CF-WU782ACV2 |
| Frequency | 2.412-2.484GHz; 5.180-5.825GHz | |
| Working Standard | IEEE802.11a/b/g/n/ac | |
| Transmission Rate | 11n: 400Mbps; 11ac: 867Mbps (Total 1300Mbps) | |
| Interface | Micro USB3.0 | |
| Antenna | 4*6dBi high-gain antennas | 2*6dBi high-gain antennas |
| Safety Features | WPA-PSK/WPA2-PSK WPA / WPA 2; WEP | |
| Transmit Power | 18dBm | |
| System Supports | Windows 7 / 8 / 8.1 / 10 (32bit, 64bit); Windows 11; Kali Linux (driver download required for Mac/Linux) | |
| Size (L*W*H) | 101*98*175mm | 90*55*198mm |
| Working Temperature | 0°C~40°C | |
| Storage Temperature | -40°C~70°C | |
| Working Humidity | 10%~90%RH Non-condensing | |
| Storage Humidity | 5%~90%RH Non-condensing | |
4. Setup
4.1 Driver-Free Installation (Windows)
For Windows 7/8/10/11, the adapter features a built-in wireless driver. Simply insert the adapter into an available USB port on your computer. The driver will install automatically. After plugging in, navigate to 'My Computer' and double-click the "CD driver WifiAutoinstal" to complete the installation. The power indicator will light up once the installation is complete.
4.2 Driver Installation (Linux/Mac)
For Mac and Linux systems (including Kali Linux), a separate driver installation package needs to be downloaded. Refer to the official COMFAST website for the appropriate drivers and installation instructions for your specific operating system.
4.3 USB 3.0 Connection
Ensure the adapter is connected to a USB 3.0 port for optimal performance and faster data transmission. It is backward compatible with USB 2.0 and USB 1.1 ports, but wireless speeds may be reduced.
4.4 Antenna Adjustment
The high-gain antennas on the adapter are rotatable. Adjust their position to achieve the best wireless signal strength and coverage for your environment.
5. Operating Instructions
5.1 Dual-Band Operation
The adapter supports both 2.4GHz and 5GHz frequency bands. Your computer will automatically detect and connect to available networks. For higher speeds and less interference, connect to a 5GHz network if available. The 2.4GHz band typically offers wider coverage and better penetration through obstacles.
5.2 Monitor Mode (Kali Linux)
This adapter supports Monitor Mode and Packet Injection when used with Kali Linux. Specific instructions for enabling and utilizing these advanced features can be found in Kali Linux documentation or specialized online resources.
6. Maintenance
To ensure the longevity and optimal performance of your WiFi adapter, follow these maintenance guidelines:
- Keep the adapter clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the device to extreme temperatures, direct sunlight, or high humidity.
- Do not attempt to disassemble the adapter or remove the antennas, as this may void any potential support or cause damage.
- Store the adapter in a cool, dry place when not in use.
7. Troubleshooting (FAQ)
Q1: Why doesn't the power light of the adapter turn on when I plug it into the laptop?
A: For Windows systems, this adapter does not require a separate driver download, but after plugging it into the computer, you need to navigate to 'My Computer' and double-click the "CD driver WifiAutoinstal" to complete the installation. The power indicator will light up after the installation is finished.
Q2: Does this WiFi adapter support Mac systems?
A: Mac systems are not officially supported with built-in drivers. A separate driver download may be required, but full compatibility is not guaranteed.
Q3: Does this WiFi adapter support AP function (hotspot)?
A: Analog AP mode (hotspot functionality) is not supported by this adapter.
Q4: Can this adapter work with a TV?
A: No, this WiFi adapter is designed to work only with computers (laptops, PCs, desktops, notebooks) and does not support connectivity with smart TVs or other media devices.
8. User Tips
- For optimal signal strength and coverage, experiment with adjusting the rotatable antennas to find the best reception angle in your environment.
- Always connect the adapter to a USB 3.0 port on your computer to achieve the maximum theoretical transmission speed of 1300Mbps.
- If you are using Kali Linux and require Monitor Mode or Packet Injection, ensure you download and install the specific drivers from the COMFAST official website.
9. Warranty and Support
For detailed warranty information, technical assistance, or customer support, please visit the official COMFAST website or contact their authorized service centers. Keep your purchase receipt as proof of purchase for any warranty claims.
