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CDOT finds a low-cost answer to its cellular dead zones, making canyon calling possible

South Korean technology could offer better coverage and substantial cost savings

Interstate 70 was closed down in ...
Trucks, cars and SUVs sit along Interstate 70 under winter snow and ice conditions near Bakerville, west of metro Denver, on Feb. 6, 2020. (Photo by Helen H. Richardson/The Denver Post)
DENVER, CO - NOVEMBER 8:  Aldo Svaldi - Staff portraits at the Denver Post studio.  (Photo by Eric Lutzens/The Denver Post)
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Getting your player ready...
Since last fall, the Colorado Department of Transportation has been testing a South Korean communications technology through a Denver startup Eucast Global, along a four-mile stretch east of the Eisenhower Tunnel, where the terrain makes it difficult for cellular signals.
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Eucast uses Citizens Broadband Radio Service or CBRS, not Citizens Band Radio Service. The story was corrected to reflect the proper spectrum.

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