Companies hope to convince the FCC that it can use these unlicensed airwaves, but broadcasters are fearful of interference.
The nation's top technology companies have spent millions of dollars and nearly two years building devices, poring over laptops and working in federal labs trying to come up with a new way to provide high-speed Internet to bandwidth-hungry cities as well as hard-to-reach rural regions.
The companies moved from lab to field recently.
By Kim Hart
The Washington Post
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