Evolution-Data Optimized is a standard for wireless communications, often used for wireless broadband that provides up to 3Mbps of throughput. A user can seamlessly roam between cells, and can use the same cells as regular cell phones. It provides the capability for users that live outside the distance limitation of DSL services to access high-speed Internet connections. The following URL provides further details on EVDO - news, tips and product reviews: http://www.evdoinfo.com/.