The National Security Council's comments filed at the GAO said the problem could potentially become much broader in scope as the U . S . armed forces rapidly move toward an " information-intensive style of war-fighting " that will " generate much greater demands on the radio frequency spectrum through high communications connectivity requirements ."
42.
T-Mobile US provides wireless voice, messaging, and data services in the United States, Puerto Rico and the Radio frequency spectrum chart ) " ., J . D . Power and Associates, a global marketing-information-services firm, ranked the company highest among major wireless carriers for retail-store satisfaction four years consecutively and highest for wireless customer care two years consecutively.
