With Netgear MiFi routers, you can go online via WiFi extremely fast and anywhere. You have to place a SIM card in these portable routers and connect via the 4G ot 5G mobile network. The Netgear mobile WiFi router then ensures you have wireless internet on your laptop or tablet, even on the train or your campsite. Netgear Nighthawk MiFi routers have a long battery life. You can go online wirelessly via 4G and 5G for an entire day without having to charge it in between.