This is a modem router. No broadband connection is required; all you need is a 4G or 5G SIM card to connect to the internet. It's a backward-compatible hotspot, providing blazing-fast internet speeds for your devices even without a 5G network. High-Speed ​​Network: Supports LTE CAT4 standard, offering 300Mbps speeds, but this depends on signal strength. It comes with a SIM card slot and a 2100mAh battery. It can be used with an external power source for unlimited time. It can be charged via a computer USB port, a power bank, a USB car charger, or a power adapter. Care should be taken to maintain heat dissipation during extended use. Network Bands: This 4G LTE USB modem supports FDD LTE bands B1, B3, B5, B7, B8, 20, 40, and 41. It can connect up to 10 devices simultaneously, including smartphones, tablets, and laptops. The effective range is up to 10 meters. One person owns it, and the whole family can share it. Instructions: Insert the SIM card and press the power button to turn on the router. Even if your SIM card is compatible with the hotspot device, it may not support plug-and-play. You may need to disable your SIM card PIN and change the APN. Enter the router IP address: 192.168.100.1 and tap "Enable Network APN." Change the APN. Make sure the SIM card is active. Color: White Material: Plastic Package Contents: 1 Pocket WiFi Router Includes only the above package contents; no other products are included. Note: Light reflections and different monitors may cause the color of the item in the image to vary slightly from the actual item. Measurements may vary by +/- 1-3 cm.