Sprint has just released its 3G/4G mobile hotspot, the Sprint Express Mobile Hotspot. Like many other mobile hotspot devices, the Sprint Express Mobile Hotspot can also provide 3G/4G internet access for up to 5 WiFi enabled devices such as laptops, smartphones, tablets etc. It has a WiFi signal range of up to 262 feet and a battery that gives backup time of up to 7 hours. You can also connect the Express Mobile hotspot to laptop or a desktop via USB cable in order to reserve battery juice. The device also has a microSD card slot that can hold up to 32GB of storage memory. The Sprint Express Mobile Hotspot is available for $249.99 without any contracts or for $29.99 with a 2-year contract and a $50 mail-in rebate.