Article: Devices crowd 'white space'.(SPORTS)(SPORTS BIZ)

Byline: Tim Lemke, THE WASHINGTON TIMES

At most sporting events, wireless microphones have become about as ubiquitous as beer and foam fingers. They're used to allow for communications involving everyone from coaches and quarterbacks to pit crews and play-by-play men.

But the introduction of communications devices that operate using so-called "white space" could threaten the ability of those wireless networks to operate flawlessly, sports leagues and broadcasters said last week. The NFL and ESPN, in particular, have called for real-world testing of the new devices at live games as soon as this summer.

The Federal Communications Commission is examining several ...

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