Broadcasters aren't the only ones concerned about potential for interference from devices operating on TV "white space"--the TV channels currently not in use by broadcasters in a given area. As previously covered in RF Report, theater operators in London are concerned about the British government's plans to auction the white space and the impact that would have on the wireless microphones used to support theater in London.
To alleviate similar concerns in the U.S., Rep. Bobby L. Rush (D-Ill.) introduced H.R. 1320, The "Interference Protection for Existing Television Band Devices Act of 2007." The Act would require unlicensed device manufacturers to demonstrate their devices will not interfere with existing "white spaces" products, including wireless microphone systems. Under the act, portable or mobile unlicensed white space devices would not be allowed until after the fixed devices operate for three years without causing interference. Portable device manufacturers would have to provide assurance their devices would not cause interference through thorough engineering analysis, design and testing.
Sandy LaMantia, president and CEO of Shure Inc. praised Rush for introducing H.R. 1320. He said, "Shure will continue to communicate to all of our customers across the nation, focusing a great deal of support for the Rush legislation in the major metropolitan areas that are home to so many of these important applications for wireless systems. I would expect legislators from every major metropolitan area to be very interested in this bill based on their constituent reliance on wireless microphone technology." The constituents include entertainers, broadcasters, spiritual professionals, and production managers, according to the Shure announcement.
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