1. Introduction
The UOTEK 5G CPE Router AX3000 (Model: UT-R90) is a high-performance wireless internet router designed for home and office environments. It supports 5G cellular connectivity with a SIM card slot, offering a flexible and reliable internet solution. Featuring Wi-Fi 6 (802.11ax) and dual-band capabilities, this router provides fast and stable wireless access for multiple devices.
2. Product Overview
The UOTEK AX3000 5G CPE Router combines advanced 5G and Wi-Fi 6 technologies to deliver superior network performance. It is equipped with a Qualcomm chip for efficient operation and features a built-in firewall for enhanced security. The router supports up to 100 connected devices and offers broad coverage with its internal antenna design.
2.1 Key Features
- 5G Cellular Connectivity: Supports NSA and SA modes for high-speed internet via SIM card.
- Wi-Fi 6 (AX3000): Delivers faster speeds and improved efficiency for multiple devices.
- Dual-Band Wi-Fi: Operates on both 2.4 GHz and 5 GHz frequencies for optimal performance.
- Multiple LAN/WAN Ports: Provides flexible connectivity options for wired devices.
- Built-in Firewall: Enhances network security.
- High Device Capacity: Connects up to 100 devices simultaneously.
2.2 Package Contents
Upon unboxing, ensure all items are present:
- 1x UOTEK 5G CPE Router AX3000 (Model: UT-R90)
- 1x Power Adapter
- 1x Quick Setup Guide (this manual)
2.3 Product Diagram

Figure 1: UOTEK 5G CPE Router AX3000 Product Details. This diagram shows the front, back, top, and bottom views of the router, highlighting the 5G signal indicator, 4G signal indicator, Wi-Fi indicator, Power indicator, MESH button, Breathing light switch, 1G LAN ports, 2.5G WAN port, DC 12V Power supply, Reset button, and SIM Card Slot.

Figure 2: Front view of the UOTEK 5G CPE Router AX3000, showing the 5G, 4G, Wi-Fi, and Power indicators.

Figure 3: Rear view of the UOTEK 5G CPE Router AX3000, displaying the LAN ports, WAN port, Reset button, DC power input, and SIM card slot.
2.4 Official Product Video
Video 1: An official overview of the UOTEK 5G CPE Router, demonstrating its features and connectivity options. This video provides a visual guide to the product's design and functionality.
3. Setup
- Insert SIM Card: Locate the Nano-SIM card slot on the rear of the router (refer to Figure 3). Ensure the router is powered off. Carefully insert your active 5G Nano-SIM card into the slot in the correct orientation until it clicks into place.
- Connect Power: Connect the provided power adapter to the DC 12V port on the router and then plug it into a power outlet.
- Power On: Press the power button (if available, otherwise it powers on automatically upon connecting power). The router's indicator lights will begin to illuminate. Wait a few minutes for the router to boot up and establish a cellular connection. The 5G and 4G indicators will show the status of the cellular network connection.
- Connect to Wi-Fi: On your device (smartphone, laptop, etc.), search for available Wi-Fi networks. The default Wi-Fi network name (SSID) and password are typically printed on a label on the bottom of the router. Select the UOTEK network and enter the password to connect.
- Access Web Interface: Open a web browser and enter the default IP address (e.g., 192.168.1.1 or as specified on the router label) to access the router's web management interface. Log in using the default username and password (usually 'admin' for both, or as specified).
4. Operating Instructions
4.1 Basic Operation
- Internet Access: Once connected via Wi-Fi or Ethernet, your devices should have internet access through the 5G cellular network.
- Indicator Lights: Monitor the LED indicators on the front panel for network status:
- 5G/4G Indicator: Indicates cellular network connectivity.
- Wi-Fi Indicator: Shows Wi-Fi activity.
- Power Indicator: Indicates power status.
4.2 Advanced Settings (via Web Interface)
The web management interface allows for customization of network settings:
- Wi-Fi Settings: Change SSID, password, security type, and Wi-Fi channels.
- Network Settings: Configure LAN/WAN settings, DHCP server, and DNS.
- Firewall: Manage security rules, port forwarding, and VPN settings.
- System Tools: Update firmware, backup/restore configurations, and view system logs.
- APN/IMEI Settings: For some phone SIM cards, manual configuration of APN (Access Point Name) or IMEI (International Mobile Equipment Identity) may be required to access the internet. Consult your SIM card provider for specific settings.
5. Maintenance
- Regular Cleaning: Keep the router clean and free from dust to ensure proper ventilation. Use a soft, dry cloth.
- Firmware Updates: Periodically check the manufacturer's website for firmware updates. Keeping the firmware updated can improve performance, security, and add new features.
- Optimal Placement: Place the router in a central location, away from obstructions and other electronic devices that may cause interference, to maximize Wi-Fi coverage and signal strength.
- Power Cycle: If you experience network issues, try power cycling the router (unplugging it from the power source for 10-15 seconds and then plugging it back in).
6. Troubleshooting
If you encounter issues with your UOTEK 5G CPE Router, refer to the following common solutions:
- No Internet Connection:
- Ensure the SIM card is correctly inserted and active.
- Check the 5G/4G indicator light. If it's off or red, there might be a cellular network issue or SIM card problem.
- Verify APN settings in the web interface if using a phone SIM card.
- Confirm your cellular plan has active data.
- Try restarting the router.
- Slow Internet Speed:
- Check your cellular signal strength (indicated by the 5G/4G lights). Weak signal can lead to slow speeds.
- Ensure the router is placed in an optimal location for cellular reception.
- Reduce the number of connected devices or bandwidth-intensive activities.
- Update router firmware to the latest version.
- Wi-Fi Disconnection/Weak Signal:
- Relocate the router to a central position, away from obstacles and interference sources (e.g., microwaves, cordless phones).
- Adjust Wi-Fi channels in the web interface to avoid congestion.
- Ensure your device is within the router's Wi-Fi range.
- Cannot Access Web Interface:
- Verify your device is connected to the router's Wi-Fi or via an Ethernet cable.
- Ensure you are using the correct IP address and login credentials.
- Clear your browser's cache or try a different browser.
- Perform a factory reset (use a pin to press the reset button for 5-10 seconds) if you forgot the password, but note this will erase all custom settings.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | UOTEK |
| Model Name | UT-R90 |
| Connectivity Technology | 5G, Wi-Fi |
| Wireless Communication Standard | 802.11ax (Wi-Fi 6) |
| Frequency Band Class | Dual-Band |
| Special Feature | Internet Security |
| Compatible Devices | Personal Computer, Mobile Devices |
| Recommended Uses | Business, Gaming, Home |
| Item Weight | 2.43 pounds |
| Package Dimensions | 11.81 x 5.35 x 4.92 inches |
| Manufacturer | UTEK TECHNOLOGY(SHENZHEN)CO.,LTD |
8. Warranty and Support
For warranty information, technical support, or further assistance, please visit the official UOTEK website or contact their customer service. Keep your purchase receipt for warranty claims.
You can also visit the UOTEK Store on Amazon for additional product information and support resources.





