Frequency Band: B1, B3, FDD, 3G HOW TO USE: 1. Press down the cover. 2. Insert the SIM card with the core facing down. 3. Connect the USB port to a power source to get WiFi. 4. Connect to WiFi and you can surf the internet. 5. Connect to WIFI, open 192.168.100.1 in your browser to enter the background. In the background, you can change the WIFI name and password and add APN. Description: Not just a 4G USB modem, but also a USB Wi-Fi router. Wireless access is available on 3G, 4G, and Wi-Fi networks. Convenient and portable, the 4GDONG001 is easy to use and has a stylish appearance. High-speed internet, suitable for both office and home use. It can also be used via laptops, notebooks, UMPCs, and MID devices. Inserting a SIM card works as a wireless router with simple operation, no setup required. Specification: Type: Network Card Chip: Qualcomm 9600 Color: White Size: 95x33mm Material: Plastic Transmission Speed: 150 Mbps USB: Standard USB interface Frequency Band: B1, B3, FDD, 3G Package Includes: 1 x 4G LTE USB Modem Note: Please allow for a slight 0-1 cm difference due to manual measurement. Colors may vary depending on the light and how the listing is displayed. Thank you for your understanding and attention. Wishing you a pleasant shopping experience!