Sierra Wireless Overdrive 3G 4G Mobile Hotspot Memory Slot, Sprint Combines the premise of an Aircard and Mobile Broadband Router in one convenient unit Compatible with Windows 7/Vista/XP/2000, Mac OS X, and Linux and a plethora of wireless-enabled devices(laptops,iPod Touch,iPhone,PDAs,etc). Wireless speeds up to 10 times faster* than today's 3G from any other national wireless carrier. With the evolution to EV-DO Revision A, experience faster average download speeds of 600 kbps - 1.4 Mbps & avg upload speeds of 350 - 500 kbps. Supports Sprint Navigation, BlackBerry Maps & other GPS applications when using the Sprint 3G Mobile Broadband Network. MicroSD slot for shared network storage with up to 5 connected devices Up to 10x faster" based on download speed comparison of 3