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Unlicensed National
Information Infrastructure is designated to provide short-range, high-speed wireless
networking communication at low cost, U-NII consists of three frequency bands of 100 MHz
each in the 5 GHz band: 5.15-5.25GHz (for indoor use only), 5.25-5.35 GHz and
5.725-5.825GHz. The three frequency bands were set aside by the FCC in 1997 initially to
help schools connect to the Internet without the need for hard wiring. U-NII devices do not
require licensing.