Professional design: It is a modem router. No need to connect to broadband, as long as you have a 4G 5G SIM card, you can connect to the network. It is a backward compatible hotspot device that provides extremely fast Internet speeds for your devices even without a 5G network. High-speed Internet: Supports LTE CAT4 standard, 300Mbps high-speed Internet access, but it mainly depends on the strength. It has a SIM card slot and a 2100mAh battery. It can be used with an external power supply without working time restrictions. It can be charged via a computer USB port, a mobile power supply, a car USB charger, a power supply. If it works for a long time, heat dissipation is required. Network band: This 4G LTE USB modem supports network bands FDD LTE B1 B3 B5 B7 B8, 20 40 41. It can connect to 10 devices at the same time, supporting smartphones, tablets, laptops, etc. The effective distance is up to 10 meters. One person owns it and the whole family shares it. How to use: Insert SIM card and press power to turn on the router. Even if your SIM card is compatible with the hotspot device, it may not be plug-and-play, you may need to disable the SIM card PIN and modify the APN. Enter the IP address of the router: 192.168.100.1 Click Network APN Enable. Modify APN. Make sure the SIM card is active. Colour:White Material:plastic Package Contents: 4 x pocket wifi Router