Product Description Frequency Band: B1, B3, FDD,3GHO TO USE:1. Press down the back cover.2. Insert the SIM card with the card core facing down3. Connect the USB port to the power supply to get WiFi4. 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 you 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 networks and Wi-Fi networks. Convenient and portable, 4GDONG001 is easy to use and has a stylish appearance. 1e1 Fast internet connection, suitable for both office and home. It can also be used via notebook, laptop, UMPC and MID devices. Inserting a SIM card works as a wireless router with easy use, no setup required. Specification: Type: Network Card Chip: Qualcomm 9600 Color: White Size: 95x33mm Material: Plastic Transfer rate: 150Mbps USB: standard USB interface Frequency band: B1, B3, FDD,3G Package includes: 1 x 4G LTE USB Modem Note: Please allow slight 0-1cm difference due to manual measurement. The colors may look different depending on the light and how the listing is displayed. Thank you for your understanding and attention. Wish you a pleasant shopping experience