T-Mobile USA plans to tell a House subcommittee that the FCC's planned auction of broadcast TV spectrum won't free up enough radio waves to meet wireless carriers' demands. According to a report in Broadcasting & Cable, T-Mobile's Steve Sharkey will testify that the government should free up more spectrum for mobile broadband, and that the spectrum should be licensed to commercial entities exclusively and not shared between commercial carriers and government users. Separately, in a letter to key lawmakers, CTIA, 4G Americas and other groups urged Congress to support the FCC's plan to free up 500 MHz of spectrum within 10 years for wireless uses. The letter urges lawmakers to provide "near-term access to additional licensed spectrum allocations below 3 GHz." Letter (PDF)