Railroads Say 6 GHz Band Important to Safety of Trains
The Association of American Railroads expressed concerns about railroads’ ability to use the 6 GHz band for the safe operation of trains if the spectrum is opened for licensed or unlicensed mobile use. “Railroads have depended on interference-free communications systems…
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that utilize the 6 GHz band to serve as the backbone for their communications networks for several decades,” AAR filed Monday in docket 17-183. Railroads use the band to control wayside track switches and signals and provide an ongoing view of train location, the group said. The FCC launched a notice of inquiry in August seeking comment on mid-band spectrum for 5G and other wireless broadband (see 1708030052).