Wireless access works on 3G, 4G, and Wi-Fi networks. Convenient and portable, the 4GDONG001 is easy to use and stylish. Provides high-speed internet access for office and home use. Compatible with laptops, UMPCs, and MID devices. Simply insert a SIM card to use as a wireless router—no setup required. Type: Network card Chip: Qualcomm Weight: 26g Transmission rate: 150Mbps USB: Standard USB interface Band: 4G LTE FDD: B1/B3/B5; WCDMA UMTS: B1 Wi-Fi: Supports IEEE802.11b/g; frequency band 2.4GHz 4G speed: Downlink 150Mbps Wi-Fi transmission rate: 150Mbps; range approximately 5–10 meters Supports up to 8 Wi-Fi connected devices simultaneously, plus 1 USB user for internet access Supports Windows OS Operating temperature: 0°C to 35°C Accepts standard-sized SIM cards (large SIM). How to use: 1. Slide the back cover down. 2. Insert the SIM card with the chip facing down. 3. Plug the USB port into a power source to enable Wi-Fi. 4. Connect to the Wi-Fi network to access the internet. 5. After connecting, open the device's web interface in a browser to configure Wi-Fi name, password, and APN settings. Before purchasing: 1. Check local frequency band compatibility to ensure proper operation. 2. Refer to the official website of your local network operator for supported frequency bands. Type: Wi-Fi Router Color: White Material: Plastic Size: 96 x 33 x 12mm Package Contents: 1 x Wi-Fi Router Note: Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1–3cm.