1. Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your XUNYOU-LINK 4G LTE WiFi Router. This device is designed to provide high-speed internet connectivity by converting a 4G signal into Wi-Fi and wired LAN connections, supporting up to 32 user terminals simultaneously. It features a 2.4G Wi-Fi transmission rate of 300 Mbps and includes advanced security features like WPA/WPA2 encryption and a firewall function. The router is suitable for various applications including home, office, remote areas, and outdoor use.
Video: Overview of the XUNYOU-LINK 4G LTE WiFi Router, showcasing its features and design.
2. Package Contents
Verify that all items are present in your package:
- 1 x 4G SIM WiFi Router
- 1 x Power Adapter
- 1 x 1-meter Ethernet Cable
- 1 x SIM Card Holder
- 1 x User Manual (English)
Image: Contents of the product package.
3. Product Overview
3.1. Appearance and LED Indicators
Image: Front panel with LED indicators and rear panel with ports.
| LED Light | Status | Descriptive |
|---|---|---|
| Power indicator | always On | The power supply is normal. |
| always On | When connected to the power supply, the light is always on, indicating that the wireless is normal. | |
| WIFI indicator | slow flash | Access to data WiFi hotspots. |
| always OFF | Turns off when power is applied, indicating that the wireless function is off or malfunctioning. | |
| Mesh Port indicator | slow flash | The device is connected. |
| always OFF | Device not connected. | |
| 3G/4G Indicator | slow flash | Connection successful. |
| always OFF | Connecting to the network or not connecting to the network. | |
| Signal strength indicator | vague (of speech) | Search the Web. |
| always OFF | network failure. |
3.2. Hardware Interface Description
| Connector | Description |
|---|---|
| Power | Input: 100V-240V AC Output: 12V DC/1A |
| Keystrokes | (WPS) Restart button, RESET button |
| SIM Card Slot | Supports Micro SIM medium cards (small cards require card slot) |
| RJ45 Interface | WAN/LAN line access |
| USB | Connect USB cable for debugging |
| Power Switch | No buttons, power on and off |
| Reset Button | Long press for more than 5 seconds to restore factory settings |
| Operating Temperature | -10°C ~ 45°C |
| Storage Temperature | -25°C ~ 70°C |
| Operating Humidity | 5% ~ 95% |
4. Specifications
| Feature | Detail |
|---|---|
| Brand Name | XUNYOU-LINK |
| Model Number | CLM920 RJ11 |
| Type | Wireless Router (4G LTE WiFi Router) |
| Card Type Device | 4G Card |
| Transmission Rate | 300Mbps (DL), 150Mbps (UL) |
| Wireless Protocol | 802.11b/g/n/ax (WiFi 6) |
| Interface Type | USB, RJ45 (WAN/LAN) |
| Application | Desktop, Laptop, Server (supports up to 32 user terminals) |
| Kind | Internal |
| Certification | CE |
| Battery Included | No |
| Supported Protocols | IPV4/IPV6, TCP/UDP/PPP/HTTP/NITZ/NDIS/NTP/HTTPS/PING/PAP/CHAP |
| Security | WPA/WPA2 encryption, Firewall function |
| Dimensions (approx.) | 14.3cm (L) x 3.6cm (W) x 12cm (H) (excluding antennas) |
4.1. Supported Network Frequency Bands by Region
The router supports different frequency bands depending on the region. Please verify compatibility with your local network provider.
Image: Network Frequency Bands Supported By Different Regions.
- Asian African European version: LTE: B1/B3/B7/B8/B20/B28/B38/B40/B41, WCDMA: B1/B8
- South American version: LTE: B2/B4/B5/B7/B28/B66/B38/B40/B41, WCDMA: B2/B5
5. Setup Guide
5.1. SIM Card Installation
- Ensure the router is powered off before inserting or removing the SIM card. The device does not support SIM card hot-swapping.
- Locate the SIM card slot on the rear panel of the router.
- Insert a standard Micro SIM card into the slot. If you have a smaller SIM card, use the provided SIM card holder.
- Gently push the SIM card until it clicks into place.
Image: Inserting the SIM card.
5.2. Powering On and Initial Connection
- Connect the power adapter to the router's power port and plug it into a wall outlet.
- The Power Indicator LED will light up.
- Wait for the 3G/4G Indicator LED to show a slow flash, indicating a successful network connection.
- To connect devices:
- Wireless: Search for the router's Wi-Fi SSID (network name) on your device (e.g., phone, laptop) and enter the Wi-Fi password. The default SSID and password can be found on the label at the bottom of the router.
- Wired: Connect an Ethernet cable from the router's RJ45 LAN port to your device (e.g., desktop, laptop).
Image: Connecting devices via wired and wireless methods.
5.3. Accessing the Device Management Page
- Open a web browser on a device connected to the router.
- Enter the default gateway IP address (usually 192.168.1.1) into the address bar.
- Enter the default username "admin" and password "admin" (or as specified on the router's label) to log in.
Image: Router login page.
- After logging in, you may be prompted with a "Welcome!" screen. Click "Quick Setup" to configure basic settings or "Skip" to proceed to the main dashboard.
6. Operating Instructions
6.1. Connecting Multiple Devices
The router supports up to 32 simultaneous connections, allowing multiple smartphones, tablets, laptops, and other devices to access the internet.
Image: Router supporting multiple devices.
6.2. WPS Function
For quick and easy wireless connection, press the WPS button on the router and then activate WPS on your client device. The connection will be established within 2 minutes.
Image: Using the WPS button for quick setup.
6.3. Internet Connection APN Configuration
The Internet Connection screen allows configuration of LTE dialing related settings. The device typically recognizes the SIM card operator information and selects appropriate APN parameters automatically. If manual configuration is needed:
- Enter "Profile Name", "APN Information", and select "Authentication Method".
- Optionally, enter "User Name" and "Password".
- Click "Confirm" to save.
- If you need to configure a custom APN, select the new configuration from the "Configuration File" dropdown, click "Set Default", and confirm.
Image: APN Configuration Interface.
6.4. Manual Network Selection
For special SIM cards, you can manually search for and select networks. Navigate to the "Manual Network" section in the web interface and click "Manual Scan Network".
Image: Manual Network Selection Interface.
6.5. PIN Code Management
The PIN management interface allows you to enable, disable, and verify SIM card PINs for added security.
Image: PIN Management Interface.
6.6. USSD Settings
If USSD dialing is required for your SIM card, it can be initiated from the USSD interface. USSD information will also be displayed here.
Image: USSD Settings Interface.
7. Maintenance
7.1. General Care
- Keep the router in a well-ventilated area, away from direct sunlight, heat sources, and moisture.
- Avoid placing the router near strong magnetic or electric field interference sources (e.g., microwaves, refrigerators).
- Clean the router with a soft, dry cloth. Do not use liquid cleaners or aerosols.
7.2. FOTA Remote Upgrade
The router supports FOTA (Firmware Over-The-Air) remote upgrade functionality. This allows for convenient updates to the device's firmware, ensuring optimal performance and security. Check the device management page for available updates.
7.3. Resetting the Router
If you encounter persistent issues or forget your login credentials, you can restore the router to its factory settings:
- With the router powered on, press and hold the RESET button (located on the rear panel) for more than 5 seconds.
- Release the button. The router will restart with factory default settings.
8. Troubleshooting
8.1. Cannot Find the Wi-Fi Signal
- Connect your computer to the router's LAN port via an Ethernet cable.
- Log in to the router management interface (192.168.1.1).
- Navigate to "Advanced Settings" -> "WLAN Settings" -> "WLAN Basic Settings".
- Ensure the WLAN function is enabled.
- If you don't have a computer, perform a factory reset (see Section 7.3).
8.2. Slow Internet Speed
- Signal Strength: Move the router to a location with better 4G signal reception, such as near a window. Restart the router after relocation.
- Obstructions: Reduce the distance between your device and the router, and minimize physical obstructions (walls, furniture).
- Network Congestion: Check if other users connected to the router are performing high-bandwidth activities (e.g., large downloads, streaming).
- SIM Card Provider: If the 4G signal in your location is weak or the network is congested, consult your SIM card provider for details on network coverage and performance.
- Interference: Ensure the router is not near strong magnetic or electric field interference sources (e.g., microwaves, refrigerators).
8.3. Device Not Reading SIM Card
- Ensure the router is powered off before inserting or removing the SIM card. The device does not support SIM card hot-swapping.
- Verify the SIM card is correctly inserted and clicked into place.
- Check if the SIM card is active and has a valid data plan.
8.4. Router Stopped Working
- If the router stops functioning, first try restarting it by unplugging and re-plugging the power adapter.
- If the issue persists, perform a factory reset (see Section 7.3).
- Ensure the power adapter is securely connected and providing power.
9. User Tips
- For optimal performance, place the router in a central location in your home or office, away from obstructions and potential interference sources.
- Always power off the router before handling the SIM card to prevent damage or issues with detection.
- Regularly check for firmware updates via the device management page to ensure you have the latest features and security patches.
- If you are in a region like Colombia, Peru, or the Dominican Republic, verify local regulations regarding device homologation and SIM card compatibility with your network provider before purchase and use.
- If the LED lights are too bright at night, check the router's web management interface for any settings to adjust LED brightness or turn them off.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the contact information provided by your retailer or the manufacturer's official website. Keep your purchase receipt as proof of purchase for warranty claims.



