Intelligent auto tech makers and highway officials have sued the FCC to block its decision to open up 5.9 GHz spectrum—that had been reserved for licensed vehicle-to-vehicle communications—for unlicensed Wi-Fi.

That FCC decision had been strongly backed by cable broadband operators for whom Wi-Fi is still their principal mobile broadband play.

The Intelligent Transportation Society of America (ITS America) and the American Association of State Highway and Transportation Officials (AASHTO) filed their appeal of the FCC decision Tuesday (June 2) in the U.S. Court of Appeals for the District of Columbia, which has principal jurisdiction over FCC decisions. They want the FCC to reverse the decision to free up the majority of the 5.9 GHz band for unlicensed Wi-Fi.
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