The Sierra Wireless 3G/4G 250U USB Modem for Sprint connects your computer to the internet nationwide on the Sprint network. Where available, Sprint's 4G speeds are up to 10 times faster than 3G. Outside of 4G coverage, Sprint's 3G speeds are blazing fast everywhere else. The Sierra Wireless USB Modem has a round versus rectangle hardware design that differentiates this USB modem from any existing USB modem in Sprint's portfolio while providing access to both Sprint's 3G and 4G networks where available. Finally, the 3G/4G U301 USB Modem includes built-in GPS for location-based services right on your laptop. Sprint is bringing 4G to a city near you - be ready!