Frequency Band: B1, B3, FDD,3G HOW TO USE: 1. Push the back cover down. 2. Insert the SIM card with the card core facing down 3. Plug the USB port into the power supply to get WiFi 4. Connect to WiFi and you can surf the Internet. 5. Connect WIFI, open 192.168.100.1 in the browser to enter the background, in the background can change the WIFI name and password to add APN. Description: Not only a 4G USB Modem, but also a USB Wi-Fi Router Wireless access is available on 3G, 4G network and Wi-Fi networks. Convenience and portable, the 4GDONG001 is simple to use and sports a stylish appearance.1e1 High speed internet access, suitable both office and at home. It can also be used via notebook, laptop, UMPC and MID devices. Inserting a SIM card acts as a wireless router with simple operation, no need to set up. Specification: Type: Network Card Chip: Qualcomm 9600 Color: White Size: 95x33mm Material: Plastic Transmission rate: 150Mbps USB: standard USB interface Frequency band: B1, B3, FDD,3G Package Includes: 1 x 4G LTE USB Modem Note: Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!