Dr X-ray writes, "The FCC has given its blessing to wireless devices that operate in vacant television channels; unfortunately, the devices can't go on sale until 2009, when all television broadcasters are required to switch to digital transmission. Even then, much of the spectrum won't be available. From the article at Ars Technica: 'Here's how the scheme will work: consumer electronics devices will be allowed to operate in the portion of the TV spectrum being vacated by broadcasters as they switch to digital broadcasts in 2009, with some restrictions. Channel 37 is out — it's used by radio astronomers. Channels 52-69 are also out, since they have been allocated for public safety use. Finally, channels 14-20 might be out (the Commission has asked for more information) because 13 US cities currently use parts of that spectrum for public safety communications.'"
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