1. Introduction
This manual provides detailed instructions for setting up, operating, and maintaining your KuWFi AX1800K WiFi 6 Gaming Router. The AX1800K is a smart dual-band router designed to deliver high-speed wireless internet connectivity using the 802.11ax (WiFi 6) standard. It features 4 Gigabit Ethernet ports and supports advanced technologies such as Beamforming, OFDMA, and MU-MIMO for enhanced performance in home and office environments.
Please read this manual thoroughly before using the device to ensure proper installation and optimal performance.
2. Package Contents
Verify that all items listed below are included in your package:
- 1 x KuWFi AX1800K WiFi 6 Router
- 1 x DC Power Adapter (12V 1A)
- 1 x RJ45 Ethernet Cable
- 1 x English User Manual
This video demonstrates the unboxing of the KuWFi AX1800K WiFi 6 Router, showing the router unit, power adapter, Ethernet cable, and user manual. It also provides a visual guide for the initial setup process.
3. Product Overview
3.1 Front Panel

3.2 Rear Panel (Ports and Buttons)

- DC 12V 1A: Power input port.
- ON/OFF: Power button for the router.
- WAN Port (Blue): Connects to your modem or internet service provider's network.
- LAN Ports (Yellow, x3): Connects to wired devices such as computers, gaming consoles, or smart TVs.
- USB 3.0 Port: For connecting USB storage devices or other peripherals.
- WPS Button: Short press to activate Wi-Fi Protected Setup (PBC function).
- Reset Button: Press and hold for 6 seconds to restore factory settings and restart the router.
3.3 LED Indicator
The LED indicator on the front panel provides status information:
- During system startup: The LED will cycle through different colors or patterns.
- After the system starts normally: The LED will indicate normal operation (e.g., steady blue).
4. Setup Guide
4.1 Initial Hardware Connection
- Connect the Power Adapter: Plug the DC power adapter into the router's DC 12V 1A port and then into a power outlet. Press the ON/OFF button to power on the router.
- Connect to the Internet: Connect one end of the RJ45 Ethernet cable to your modem's LAN port and the other end to the blue WAN port on your KuWFi router.
- Connect Devices (Optional): For wired connections, connect your computer or other devices to the yellow LAN ports on the router using Ethernet cables.

4.2 Web Interface Configuration
- Connect to Router's Wi-Fi: On your computer or mobile device, connect to the router's default Wi-Fi network. The default SSID (e.g., AX1800-XXXX) and password (e.g., 9876543210) are typically found on a sticker on the bottom of the router.
- Access the Web UI: Open a web browser and enter the default IP address 192.168.100.1 in the address bar.
- Login: Enter the default username admin and password admin (or as specified on the router label) to log in.
- Change Language: If the interface is not in English, locate the language selection dropdown (usually in the top right corner) and select "English".
- Configure Internet Connection:
- Navigate to the "Network" section.
- Select your Internet Connection Type (e.g., Dynamic IP, PPPoE, Static IP) based on your ISP's requirements.
- Apply the settings.
- Change Admin Password: For security, it is highly recommended to change the default admin password immediately. Navigate to "Management" > "Change Password".
5. Operating Instructions
5.1 Wireless Settings
In the "Wireless" section of the web UI, you can manage your Wi-Fi networks:
- Enable/Disable Wi-Fi: Toggle the "Enable" switch for 2.4GHz and 5GHz bands.
- Wireless Protocol: Set to "auto" for optimal compatibility or select specific standards (e.g., ax).
- Channel Bandwidth: Set to "auto" or choose a specific bandwidth (e.g., 20MHz, 40MHz).
- Wireless Channel: Set to "auto" or select a specific channel to avoid interference.
- Txpower: Adjust transmit power (e.g., High).
- Hide SSID: Toggle the "Hide SSID" switch to make your Wi-Fi network invisible to others.
- Change Wi-Fi Name (SSID) and Password: Edit the respective fields for both 2.4G and 5G networks.
5.2 Guest Network
Create a separate Wi-Fi network for guests to enhance security:
- Navigate to "Network Advanced" > "Guest Network".
- Enable the guest network.
- Modify the Wi-Fi Name (SSID) and Password for the guest network.
- Set a time limit for guest access (e.g., 2h, 4h, 8h, Unlimited).
- Enable "LAN Isolation Switch" to prevent guests from accessing your main network resources.
5.3 Parental Control
Manage internet access for specific devices:
- Navigate to "Network Advanced" > "Parental Control".
- Enable Parental Control.
- Add devices by MAC address and configure internet access times.
5.4 Advanced Features
The router offers various advanced features under the "Features" menu:
- Port Forwarding: Configure rules to allow external access to internal network services.
- DMZ Settings: Designate a device to be exposed to the internet for specific applications.
- MAC Filtering: Control network access based on MAC addresses (Blacklist/Whitelist).
- IP Filtering: Filter network traffic based on IP addresses.
- DDOS: Distributed Denial of Service protection.
- URL Control: Block access to specific websites.
- VPN Client: Configure VPN client settings to connect to a VPN server.
6. Maintenance
6.1 Firmware Update
Regularly check for and install firmware updates to improve performance and security:
- Navigate to "Management" > "Backup & Upgrade".
- You can upload new firmware files from your local computer.
6.2 Backup and Restore
Save your router's configuration settings or restore them from a backup file:
- Navigate to "Management" > "Backup & Upgrade".
- Use the "Generate backup file" option to save your current configuration.
- Use "Upload backup" to restore a previously saved configuration.
6.3 Restart and Reset
- Restart: Navigate to "Management" > "Restart & Reset" and click "Restart now".
- Factory Reset: To restore the router to its original factory settings, navigate to "Management" > "Restart & Reset" and click "Restore Factory Settings". Alternatively, press and hold the physical Reset button on the router for 6 seconds.
7. Troubleshooting
- Cannot access the web management interface:
- Ensure your device is connected to the router via Wi-Fi or Ethernet.
- Verify that you are using the correct IP address (192.168.100.1).
- Clear your browser's cache or try a different browser.
- Restart the router and your device.
- No internet connection:
- Check if the WAN port cable is securely connected to your modem.
- Verify your internet connection type settings (Dynamic IP, PPPoE, Static IP) in the web UI match your ISP's configuration.
- Restart your modem and router.
- Wi-Fi signal is weak or unstable:
- Ensure the router's antennas are properly positioned.
- Try changing the Wi-Fi channel in the wireless settings to avoid interference.
- Reduce the distance between your devices and the router, and minimize obstacles.
- Difficulty reading the manual:
- The printed manual may have small text. Use a magnifying glass or a smartphone with zoom functionality for better readability.
- VPN settings not working:
- Double-check all VPN client configuration parameters (server IP, username, password, encryption type).
- Ensure your VPN service is active and compatible with the router's VPN client features.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | KF-AX1800K (AX1800K) |
| CPU | MT7621A+MT7905+MT7975 |
| Memory | 256MB DDR3 RAM |
| Flash | 16 MB |
| Ethernet Ports | 1x 10/100/1000Mbps RJ45 WAN, 3x 10/100/1000Mbps RJ45 LAN |
| Power Supply | DC 12V 1A |
| Antennas | 2.4G+5.8G: 2T2R 5dBi gain (4 external antennas) |
| Radio Rate | Up to 1800Mbps (2.4G Up to 573Mbps + 5.8G Up to 1201Mbps) |
| Wireless Standards | 802.11ax (WiFi 6) |
| Wireless Security | WPA-PSK/WPA2-PSK/WPA3 |
| Internet Connection Types | PPPOE, Static IP, DHCP |
| Working Modes | Routing mode, Bridge mode |
| Carrying Capacity | Up to 128 users |
| Dimensions | 262 x 177 x 180 mm (approx. 10.3 x 7 x 7.1 inches) |
| Item Weight | 1.98 pounds |
| Special Features | LED Indicator, WPS, Beamforming, OFDMA, MU-MIMO, IPv4, IPv6 |
9. Warranty and Support
KuWFi provides the following for your product:
- Warranty: 3 Years Warranty.
- Technical Support: VIP Technical Support is available.
For further assistance, please visit the official KuWFi website or contact customer support.
10. Additional Resources
This video provides a general overview of the KuWFi WiFi 6 Gaming Router, highlighting its design and key features.









