The Federal Communications Commission unanimously approved new rules for the unlicensed use white spaces, the empty or under-utilized TV spectrum that many are hoping could lead to a new form of super Wi-Fi.
This is the first distribution of unlicensed spectrum in 25 years, and follows the release of former “junk” spectrum that eventually was used for Wi-Fi, garage door openers and cordless phones. The new spectrum is even more prized because its lower frequency can reach farther, pass through walls more easily and cover areas more efficiently with faster potential speeds […]
http://www.nytimes.com/external/gigaom/2010/09/23/23gigaom-get-ready-to-innovate-fcc-approves-white-spaces-r-20057.html