You've heard of Wi-Fi, WiMax and 3G wireless technologies. Add another (oddly named) wireless creation to the list: white space.

White space is industry lingo for the unused airwaves that abut TV spectrum and provide a buffer from stray signals and other interference.

On Tuesday, the Federal Communications Commission is scheduled to vote on a measure that would make white space available for wireless broadband. Under the proposal, these airwaves would be treated like Wi-Fi — unlicensed and free to everybody.

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