5G WIFI HOTSPOT: Portable mobile WiFi does not require a broadband connection, just a 3G 4G SIM card to connect to a 5G network. It provides extremely fast internet speed for your device even when there is no 5G network. 300MBPS HIGH SPEED: Unlocked 5G WiFi supports LTE CAT4 standard with 300Mbps high speed internet access, mainly depending on the signal strength. Supports network bands B1/2/3/5/7/8/20/40. MAIN FEATURES: Portable WiFi has a SIM card slot and a 3200 mAh battery. It can work with external power supply, no working time limit. It can be charged through computer USB port, car USB charger, power supply. CONNECT UP TO 10 DEVICES: 4G LTE portable WiFi can connect up to 10 devices at the same time, supporting smartphones, tablets, laptops, etc. The effective distance of WiFi can get to 10m/32.8ft. USING METHOD: Insert the SIM card and install the battery. Even if your SIM card is compatible with the hotspot WIFI device, it may not be plug and play, you may need to disable the PIN code of the SIM card and modify the APN.