ATT 4g network

AT&T's 4G Battle Plan: 15 Major U.S. Cities in 2011

AT&T will spread its 4G LTE network into a large number of U.S. cities this year, a move that puts it into direct competition with Sprint-Nextel's Wimax 4G product and LTE technology deployed by Verizon Wireless. But will its investment in faster wireless pay off?