“The devices will be able to use only channels 21 to 51, where there are fewer TV stations. The FCC will give preference to devices that use global positioning system technology to determine a user’s location and then avoid TV channels operating there based on a special database, rather than devices that try to constantly sense and avoid TV signals. Devices that use sensing technology will have to go through rigorous field testing.
And the FCC will create a safe haven around large sporting and performance venues, such as the Los Angeles Coliseum and New York’s Broadway theater district. The new mobile devices within those safe havens won’t have access to channels used by wireless microphones”…. <More>