ATUOTIN 4G LTE USB Modem Dongle User Manual

1. Product Overview

The ATUOTIN 4G LTE USB Modem Dongle is a versatile device designed to provide portable wireless internet access. It functions as both a 4G USB modem and a Wi-Fi router, allowing you to connect to 3G, 4G, and Wi-Fi networks. Its compact and stylish design makes it ideal for various uses, including office work, home use, and on-the-go connectivity with laptops, notebooks, UMPCs, and MID devices. Simply insert a compatible SIM card, and the device is ready to provide internet access without complex setup.

2. Setup Instructions

Before using your 4G LTE USB Modem Dongle, please follow these steps for proper setup:

1. Prepare the Device: Push the back cover of the modem dongle down to open the SIM card slot.
2. Insert SIM Card: Carefully insert your compatible SIM card into the slot with the core (chip) facing down. Ensure it is securely seated.
3. Power On: Plug the USB port of the modem dongle into a power source. This can be a USB port on a computer, a USB wall adapter, or a car charger. The device will power on and begin searching for a network.
4. Connect to Wi-Fi: On your device (laptop, smartphone, tablet), search for available Wi-Fi networks. The default SSID (Wi-Fi name) and Wi-Fi Key (password) are typically printed on a label on the modem dongle itself. Refer to Figure 3 for an example of where this information is located.
5. Access Internet: Once connected to the Wi-Fi network, you can start browsing the internet.
6. Access Admin Interface (Optional): To modify Wi-Fi settings (name, password) or add APN settings, open a web browser and navigate to 192.168.100.1. Enter the default login password (also found on the device label) to access the background settings.

Important Pre-Purchase Information:

It is crucial to verify frequency band compatibility before purchasing and using this device in your region. The device supports 4G FDD LTE bands B1/3/5 and 3G WCDMA band B1. Please check the frequency bands used by your local national operator to ensure compatibility. Networks operating on other bands may not be supported.

3. Operating Instructions

Connecting to the Wi-Fi Network:

After plugging the modem dongle into a power source, it will broadcast a Wi-Fi signal. On your computer, smartphone, or tablet:

1. Go to your device's Wi-Fi settings.
2. Select the network name (SSID) displayed on the modem dongle's label (e.g., "LTE 4G WIFI Dongle").
3. Enter the Wi-Fi Key (password) provided on the label.
4. Once connected, your device will have internet access.

Managing Device Settings:

To customize your Wi-Fi network or configure advanced settings:

1. Ensure your device is connected to the modem dongle's Wi-Fi network.
2. Open a web browser (e.g., Chrome, Firefox, Edge).
3. In the address bar, type 192.168.100.1 and press Enter.
4. You will be prompted for a login password. Use the password printed on the modem dongle's label.
5. From the admin interface, you can modify the Wi-Fi name (SSID), change the Wi-Fi password, and configure APN (Access Point Name) settings if required by your mobile network provider.

4. Maintenance

To ensure the longevity and optimal performance of your 4G LTE USB Modem Dongle, please observe the following maintenance guidelines:

• Keep Dry: Avoid exposing the device to water, moisture, or high humidity.
• Clean Gently: Use a soft, dry cloth to clean the exterior of the device. Do not use liquid cleaners or abrasive materials.
• Avoid Extreme Temperatures: Do not expose the device to extremely high or low temperatures.
• Handle with Care: Avoid dropping or subjecting the device to strong impacts.
• Proper Storage: When not in use, store the device in a cool, dry place, away from direct sunlight.

5. Troubleshooting

If you encounter issues with your 4G LTE USB Modem Dongle, try the following troubleshooting steps:

• No Internet Connection:
  • Ensure the SIM card is correctly inserted and activated with a data plan.
  • Verify the modem dongle is properly plugged into a working USB power source.
  • Check if your device is connected to the correct Wi-Fi network (SSID) and that the password (Wi-Fi Key) is entered correctly.
  • Access the admin interface (192.168.100.1) and check the network status. Ensure APN settings are correct if required by your carrier.
  • Restart the modem dongle by unplugging and re-plugging it.
• Slow Connection Speed:
  • Check your signal strength. Move to an area with better 4G coverage.
  • Ensure no other devices are consuming excessive bandwidth.
  • Verify your data plan has not been exhausted or throttled by your carrier.
• Cannot Access Admin Interface:
  • Ensure your device is connected to the modem dongle's Wi-Fi network.
  • Double-check the IP address (192.168.100.1) and login password.
  • Try a different web browser.
• Device Not Recognized:
  • Ensure the USB port you are using is functional.
  • Try plugging the device into a different USB port or power source.

6. Specifications

Package Contents:

• 1 x 4G LTE USB Modem Dongle

Package Dimensions:

• Length: 11 cm
• Width: 7 cm
• Height: 2 cm
• Weight: 0.048 kg

7. Warranty and Support

For any product-related inquiries, technical support, or warranty claims, please contact the seller directly through the platform where the purchase was made. Please retain your proof of purchase for warranty purposes.

An additional user manual in PDF format is available for download: View User Manual (PDF)

8. User Tips

• Secure Your Wi-Fi: Always change the default Wi-Fi name (SSID) and password to a strong, unique combination to protect your network from unauthorized access.
• Monitor Data Usage: Keep track of your mobile data usage to avoid unexpected charges or service interruptions, especially if you have a limited data plan.
• Optimal Placement: For the best signal strength and performance, place the modem dongle in an open area, away from obstructions and other electronic devices that might cause interference.
• Power Source: While the device can be powered by a computer's USB port, using a dedicated USB wall adapter (5V/1A recommended) can provide more stable power and potentially better performance.