Dpofirs 4G LTE USB Modem User Manual

1. Introduction

Thank you for choosing the Dpofirs 4G LTE USB Modem. This portable device provides high-speed internet access by creating a Wi-Fi hotspot, allowing up to 10 devices to connect simultaneously. Its compact and lightweight design makes it ideal for various scenarios, including travel, business trips, outdoor activities, and in-car use.

This manual provides essential information on setting up, operating, and maintaining your 4G LTE USB Modem. Please read it thoroughly before use to ensure optimal performance and longevity of your device.

2. Safety Information

• Do not expose the device to extreme temperatures, direct sunlight, or high humidity.
• Avoid dropping or subjecting the device to strong impacts.
• If the Wi-Fi dongle operates for an extended period, ensure adequate heat dissipation to prevent chip burnout.
• Use only the provided USB cable or a certified equivalent for charging.
• Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.

3. Package Contents

Please check the package for the following items:

• 1 x Dpofirs 4G LTE USB WiFi Modem
• 1 x USB Cable
• 1 x Instruction Manual (this document)

Image: The Dpofirs 4G LTE USB WiFi Modem shown alongside its included USB charging cable.

4. Product Overview

4.1 Device Components

Image: Front view of the Dpofirs 4G LTE USB Modem, showing the display screen with signal, Wi-Fi, and battery indicators, and the 4G/5G logo.

The Dpofirs 4G LTE USB Modem features a compact design with essential indicators on its front panel. It includes a micro SIM card slot and a built-in 3200 mAh battery for portable use.

4.2 Indicators

• Signal Indicator: Displays the strength of the cellular network signal.
• Wi-Fi Indicator: Shows the status of the Wi-Fi hotspot.
• Battery Indicator: Indicates the current battery level.

5. Setup

Follow these steps to set up your Dpofirs 4G LTE USB Modem:

1. Insert SIM Card: Locate the micro SIM card slot on the device. Carefully insert your active micro SIM card into the slot until it clicks into place. Ensure the SIM card supports the device's network bands (B1/2/3/5/7/8/20/40).


Image: A hand demonstrating the insertion of a micro SIM card into the modem's dedicated slot.

2. Install Battery: Open the battery compartment and insert the provided 3200 mAh battery. Close the compartment securely.

Image: The modem highlighting the SIM card slot and indicating the presence of a 3200 mAh battery.
3. Charge Device: Connect the modem to a power source (computer USB port, car USB charger, or power supply) using the USB cable. The battery indicator will show charging status.
4. Initial Configuration (if needed): Even if your SIM is compatible, it may not be plug-and-play. You might need to disable the PIN code of the SIM card and modify the Access Point Name (APN) settings. To do this, connect to the device's Wi-Fi network, then open a web browser and enter the router's IP address: 192.168.43.1. Navigate to the Network APN settings to enable and modify the APN.

6. Operating Instructions

6.1 Powering On/Off

• To Power On: Press and hold the power button until the indicators light up.
• To Power Off: Press and hold the power button until the indicators turn off.

6.2 Connecting Devices

The Dpofirs 4G LTE USB Modem creates a Wi-Fi hotspot that can connect up to 10 devices simultaneously, including smartphones, tablets, and laptops. The effective Wi-Fi distance is up to 10 meters (32.8 feet).

1. Ensure the modem is powered on and has an active SIM card with a data plan.
2. On your device (smartphone, tablet, laptop), search for available Wi-Fi networks.
3. Select the Wi-Fi network name (SSID) broadcast by your Dpofirs modem. The SSID and default password are usually found on a sticker inside the battery compartment or on the device packaging.
4. Enter the Wi-Fi password when prompted.
5. Once connected, your device will have internet access via the modem's 4G LTE connection.

Image: The portable modem positioned next to a laptop, illustrating its function as a Wi-Fi hotspot for connected devices.

6.3 High-Speed Internet Access

The modem supports LTE CAT4 standard, providing high-speed internet access up to 300Mbps. Actual speeds may vary depending on signal strength and network conditions.

Image: The modem with a visual representation of high-speed internet access, emphasizing its LTE CAT4 support.

7. Maintenance

• Keep the device clean and free from dust. Use a soft, dry cloth for cleaning.
• Avoid blocking the ventilation areas of the device to ensure proper heat dissipation, especially during prolonged use.
• Store the device in a cool, dry place when not in use.

8. Troubleshooting

9. Specifications

Image: A diagram showing the physical dimensions of the Dpofirs 4G LTE USB Modem (length, width, and thickness).

10. Warranty and Support

For warranty information and technical support, please refer to the documentation provided with your purchase or contact Dpofirs customer service through their official channels. Keep your purchase receipt as proof of purchase for warranty claims.