1. Product Overview
The TIANJIE CP106 is a versatile 4G LTE CAT4 WiFi router designed for both portable and indoor home use. It features a SIM card slot, allowing you to access the internet via a 4G cellular network. With a wireless transmission rate of up to 300Mbps on the 2.4GHz band, it can support up to 32 connected devices simultaneously, providing a stable and high-speed internet experience.

Key features include wide coverage, high speed, convenience, a smart processor, Wi-Fi hotspot functionality, LAN output, multi-user support, and stable performance.

2. Setup Guide
2.1 Package Contents
- TIANJIE CP106 4G WiFi Router
- Power Adapter (EU Plug)
- User Manual (this document)
2.2 Hardware Overview

The rear panel of the router includes:
- SIM Card Slot: For inserting your 4G SIM card.
- Power Interface: Connect the provided power adapter here.
- WAN/LAN Port: An Ethernet port that can function as either a WAN (for wired internet input) or a LAN (for wired device connection) port.
- USB Power Interface: For potential future use or powering small USB devices.
- Reset Button: Used to restore the router to factory default settings.
2.3 SIM Card Installation
- Ensure the router is powered off.
- Locate the SIM card slot on the rear panel (indicated in Figure 3).
- Insert your standard-sized 4G SIM card into the slot with the metal contacts facing down and the notched corner oriented correctly. Push until it clicks into place.
- Note: The Asia version supports 4G FDD (B1/B3), 4G TDD (B40), and 3G WCDMA (B1) frequency bands. Ensure your SIM card is compatible with these bands.

2.4 Powering On
- Connect the power adapter to the router's power interface.
- Plug the power adapter into a wall outlet.
- The router will automatically power on. Wait for the indicator lights on the front panel to stabilize, indicating a successful connection to the 4G network and Wi-Fi availability.
3. Operating Instructions
3.1 Connecting to Wi-Fi
- On your device (smartphone, laptop, tablet, etc.), open your Wi-Fi settings.
- Search for available Wi-Fi networks.
- Select the network name (SSID) displayed on the router's label (e.g., "4G-CPE-XXXX").
- Enter the Wi-Fi password (Key) also found on the router's label.
- Your device should now be connected to the internet.
3.2 Connecting via LAN Cable
- Connect one end of an Ethernet cable to the WAN/LAN port on the router.
- Connect the other end of the Ethernet cable to the Ethernet port of your computer or other wired device.
- The device should automatically obtain an IP address and connect to the internet.
3.3 Typical Usage Scenarios
The CP106 router is suitable for a variety of environments and applications, including:
- Home coverage and entertainment
- Office emergency networking
- Monitor and CCTV camera connections
- Remote mountainous areas or locations without wired internet
- Connecting multiple smart devices simultaneously


4. Maintenance
4.1 General Care
- Keep the router in a cool, dry place, away from direct sunlight, heat sources, and moisture.
- Ensure proper ventilation around the device to prevent overheating.
- Clean the exterior with a soft, dry cloth. Do not use liquid cleaners or aerosols.
4.2 Rebooting the Router
If you experience connectivity issues, a simple reboot can often resolve them:
- Unplug the power adapter from the router.
- Wait for about 10-15 seconds.
- Plug the power adapter back in.
- Wait for the router to fully restart and reconnect to the network.
4.3 Factory Reset
A factory reset will erase all custom settings and restore the router to its original factory defaults. This can be useful for resolving persistent issues or when reconfiguring the router.
- With the router powered on, locate the 'Reset' button on the rear panel (refer to Figure 3).
- Use a paperclip or a thin, pointed object to press and hold the Reset button for approximately 5-10 seconds.
- Release the button when the indicator lights flash or change behavior.
- The router will reboot with factory settings. You will need to reconnect using the default Wi-Fi SSID and password.
5. Troubleshooting
5.1 No Internet Connection
- Check SIM Card: Ensure the SIM card is correctly inserted and active with a data plan.
- Signal Strength: Check the signal indicator on the router. If the signal is weak, try relocating the router to an area with better 4G coverage.
- Reboot: Perform a router reboot (see Section 4.2).
- APN Settings: If you can access the router's web interface, verify that the APN settings are correct for your mobile network operator.
5.2 Slow Wi-Fi Speed
- Device Count: Too many devices connected simultaneously can reduce speed. The router supports up to 32 devices, but performance may vary.
- Interference: Other electronic devices (microwaves, cordless phones) can interfere with Wi-Fi signals. Try moving the router away from such devices.
- Distance: Reduce the distance between your device and the router.
- Bandwidth Usage: Check if any applications or devices are consuming a large amount of bandwidth.
5.3 Cannot Connect to Wi-Fi
- Correct Password: Double-check that you are entering the correct Wi-Fi password (Key) from the router's label.
- Router On: Ensure the router is powered on and the Wi-Fi indicator light is active.
- Device Wi-Fi: Make sure your device's Wi-Fi is enabled.
- Factory Reset: If all else fails, consider a factory reset (see Section 4.3) and try connecting with the default credentials.
6. Specifications
| Feature | Specification |
|---|---|
| Brand Name | TIANJIE |
| Model Name | CP106 Indoor Router |
| Type | Wireless, With Modem Function |
| Max. LAN Data Rate | 300Mbps |
| Wi-Fi Transmission Standard | 802.11n |
| 2.4G Wi-Fi Transmission Rate | 150 Mbps (LTE Cat4), 300 Mbps (Wi-Fi) |
| Wi-Fi Supported Frequency | 2.4G |
| Frequency Band Class | Single-Band |
| Supports WPS | Yes |
| Supports WDS | Yes |
| Function | Firewall |
| Application | Multi-service, Home |
| Antenna Type | Retractable |
| Support Mesh | Not Supported |
| Origin | Mainland China |
| Package Dimensions (L x W x H) | 22 cm x 16 cm x 5 cm |
| Package Weight | 0.3 kg |

7. User Tips
- Optimal Placement: For the best Wi-Fi coverage and 4G signal reception, place the router in a central location in your home or office, away from obstructions and other electronic devices that might cause interference.
- Security: Regularly change your Wi-Fi password to a strong, unique combination of letters, numbers, and symbols to protect your network.
- Firmware Updates: Check the manufacturer's website periodically for firmware updates. Keeping your router's firmware up-to-date can improve performance, security, and add new features.
- Monitor Connected Devices: If you notice a drop in performance, check the router's administration page to see how many devices are currently connected and if any are consuming excessive bandwidth.
8. Warranty and Support
For warranty information, technical support, or service inquiries, please contact TIANJIE customer support or refer to the official TIANJIE website. Keep your purchase receipt as proof of purchase for warranty claims.