The ViFi provides high speed internet access nationwide. When you purchase the ViFi, you do not have to sign a contract. You just select the data plan for the months you want to use it. With ViFi you can enjoy up to 5 GB per month (depending on your selected data plan) with no termination fees and no contract. The Vitel ViFi unit supports up to 5 Wi-Fi enabled devices and provides internet access where you need it... when you need it. Access the Internet over Mobile Broadband with the ViFi Mobile Hotspot! Connect up to five Wi-Fi enabled devices at one time within a 30-foot radius Internal antenna system Removable Lithium-Ion battery.