1. Introduction
This manual provides comprehensive instructions for the Beuiouer Pocket WiFi Router 4G LTE Repeater, model 500272905. This device functions as a portable mobile WiFi hotspot, allowing multiple users to connect to a 4G LTE network via a SIM card. Please read this manual carefully before using the device to ensure proper operation and to understand its features and limitations.
2. Product Overview
The Beuiouer Pocket WiFi Router is a compact device designed to provide wireless internet access on the go. It supports 4G LTE connectivity through a standard SIM card and broadcasts a WiFi signal for up to 10 connected devices.
Key Features:
- 4G LTE Connectivity: Supports B1/B3/B5/B8/B40 frequency bands.
- 3G UMTS WCDMA: Supports B1/B8 frequency bands.
- WiFi Standard: 802.11 b/g.
- Maxi Rate: Download up to 150Mbps, Upload up to 50Mbps.
- User Sharing: Connects up to 10 users simultaneously.
- Battery: Integrated 2100 mAh lithium battery.
Device Components:
The device features a compact design with essential indicators and ports.

Image 2.1: The Beuiouer Pocket WiFi Router shown with its included charging cable. The router features indicator lights for signal strength, WiFi status, battery level, and messages.

Image 2.2: The Beuiouer Pocket WiFi Router positioned on a car dashboard, demonstrating its use as an on-board mobile WiFi hotspot for various activities like outdoor live streaming, business trips, and campus dormitory use.
3. Setup
Follow these steps to set up your Beuiouer Pocket WiFi Router for the first time.
3.1. Charging the Device
- Connect the provided charging cable to the router's charging port.
- Plug the other end of the cable into a compatible USB power adapter (not included) or a computer's USB port.
- The battery indicator light will show charging status. Ensure the device is fully charged before first use for optimal battery life.
3.2. Inserting the SIM Card
Important Note:
- Before inserting the SIM card, ensure the device is powered off.
- The battery has an insulating sticker that must be removed before the device can be used or powered on. Failure to remove this sticker will prevent the device from turning on.
- This product supports 4G-FDD: B1 B3 B5 B40 and WCDMA: B1. It is not suitable for use in Japan. Please confirm local frequency band support before use.
- Locate the SIM card slot on the device.
- Carefully insert your standard-sized 4G LTE SIM card into the slot with the gold contacts facing down and the notched corner aligned correctly.
- Gently push the SIM card until it clicks into place.
3.3. Initial Power On
- Press and hold the power button for a few seconds until the indicator lights illuminate.
- The device will begin searching for a network signal. This may take a few moments.
4. Operating Instructions
4.1. Powering On/Off
- To Power On: Press and hold the power button until the indicator lights turn on.
- To Power Off: Press and hold the power button until the indicator lights turn off.
4.2. Connecting Devices to WiFi
Once the router is powered on and has established a network connection (indicated by the signal light), you can connect your devices.
- On your WiFi-enabled device (e.g., smartphone, laptop, tablet), open the WiFi settings.
- Search for available WiFi networks.
- Select the network name (SSID) corresponding to your Beuiouer Pocket WiFi Router. The SSID and default password are typically found on a sticker inside the battery compartment or on the device itself.
- Enter the WiFi password when prompted.
- Your device should now be connected to the internet through the hotspot.

Image 4.1: A user operating a laptop, demonstrating connectivity to the Beuiouer Pocket WiFi Router. The image highlights the router's features such as good signal, SIM card slot, and multi-device sharing.
4.3. Indicator Lights
The device features several indicator lights to provide status information:
- Signal Indicator: Shows the strength of the 4G LTE network signal.
- WiFi Indicator: Indicates if the WiFi hotspot is active.
- Battery Indicator: Displays the current battery level and charging status.
- Message Indicator: May light up for new SMS messages (if supported by SIM card).

Image 4.2: An illustration showing the Beuiouer Pocket WiFi Router supporting simultaneous WiFi sharing by multiple devices, including mobile phones, iPads, intelligent robots, sweeping robots, intelligent audio devices, cameras, TV sets, laptops, and desktop computers.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your device.
5.1. Battery Care
- Avoid exposing the device to extreme temperatures.
- Do not fully discharge the battery frequently. Recharge it when the battery indicator is low.
- If storing the device for an extended period, charge it to about 50% and store it in a cool, dry place.
5.2. Cleaning
- Use a soft, dry cloth to clean the exterior of the device.
- Do not use liquid cleaners or aerosols.
5.3. Storage
- Store the device in a dry environment, away from direct sunlight and moisture.
- Keep out of reach of children.
6. Troubleshooting
If you encounter issues with your Beuiouer Pocket WiFi Router, refer to the following common problems and solutions.
6.1. Device Does Not Power On
- Check Battery: Ensure the device is charged. Connect it to a power source and try again.
- Insulating Sticker: Verify that the insulating sticker on the battery has been removed.
6.2. No Internet Connection
- SIM Card: Ensure the SIM card is correctly inserted and active with a data plan.
- Signal Strength: Check the signal indicator. If the signal is weak or absent, move to an area with better network coverage.
- Frequency Bands: Confirm that your local network's frequency bands are supported by the device (4G-FDD: B1 B3 B5 B40; WCDMA: B1).
- Reboot: Power off the router, wait a few seconds, and then power it back on.
6.3. Cannot Connect to WiFi
- WiFi On: Ensure the WiFi indicator light on the router is active.
- Password: Double-check that you are entering the correct WiFi password (SSID and password are usually on a sticker on the device).
- Device Limit: The router supports up to 10 users. If more devices are connected, some may be unable to join.
- Distance: Ensure your device is within the WiFi range of the router.
7. Specifications
Detailed technical specifications for the Beuiouer Pocket WiFi Router (Model 500272905).

Image 7.1: A visual representation of the Beuiouer Pocket WiFi Router's dimensions, showing a length of 3.9 inches (98mm), width of 2.3 inches (59mm), and thickness of 0.6 inches (15mm).
| Feature | Specification |
|---|---|
| Model Number | 500272905 |
| Product Dimensions | 4.41 x 1.38 x 2.83 inches (98 x 59 x 15 mm) |
| Item Weight | 4.1 ounces |
| Battery Capacity | 2100 mAh Lithium Battery |
| Standby Time | More than 50 hours |
| Continuous Work Time | 6 hours |
| Antenna | Built-in |
| Input Voltage | 100V-240V |
| Output Voltage | 5V DC ±10% |
| Output Current | 1.0A |
| Supported Languages | Chinese and English |
| 4G LTE Frequency Band | B1/B3/B5/B8/B40 |
| 3G UMTS WCDMA | B1/B8 |
| WiFi Standard | 802.11 b/g |
| Maximum Download Rate | 150Mbps |
| Maximum Upload Rate | 50Mbps |
| Number of Sharing Users | 10 users |
8. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact the seller directly. Keep your proof of purchase for any warranty claims.