AT&T, facing a marketing challenge by competitors' 4G wireless service claims, accelerated its own network upgrade plans and said it would release devices for its own fourth-generation network.
WSJ.com: What's News US, Wall Street Journal
Wed, 01/05/2011 - 12:04pm
AT&T, facing a marketing challenge by competitors' 4G wireless service claims, accelerated its own network upgrade plans and said it would release devices for its own fourth-generation network.