Read this: US communities pin hopes on 'super wi-fi'
Summary: White spaces are unused, unlicensed frequencies that fall between TV channels, freed up as older analogue transmissions are converted into digital signals. Put to use carrying broadband instead of television signals, the frequencies could spell a revolution. It works like this a fibre-optic cable carries a broadband signal to a central location in a city or town. - bbc.co.ukwww.bbc.co.ukUS communities pin hopes on 'super wi-fi…
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