The wireless companies want a piece of the spectrum that's been reserved for professional audio (primarily wireless microphones). NAB had a good article about i

The wireless companies want a piece of the spectrum that's been reserved for professional audio (primarily wireless microphones). NAB had a good article about it last year: http://www.nab.org/documents/newsroom/pressRelease.asp?id=2516 http://www.nab.org/documents/newsroom/pressRelease.asp?id=25... It'd be cost-prohibitive to replace all of that pro. audio equipment. Think of all the wireless microphones, transmitters, receivers, etc. for a typically Broadway show with up to 100 performers. Now thing about government offices, news studios, etc. There's simply too much equipment to replace.