T-Mobile USA said it would spend $4 billion on its wireless network to offer the high-speed fourth-generation mobile broadband service known as LTE.
WSJ.com: What's News US, Wall Street Journal
Thu, 02/23/2012 - 7:54am
T-Mobile USA said it would spend $4 billion on its wireless network to offer the high-speed fourth-generation mobile broadband service known as LTE.