FCC chair Jessica Rosenworcel (Image credit: Ting Shen/Bloomberg via Getty Images) WASHINGTON—The FCC has unanimously adopted new rules to expand very-low-power device operations across all 1,200 megahertz of the 6-GHz band alongside other unlicensed and Wi-Fi-enabled devices.Despite opposition from the NAB and other parties who have argued that opening up the spectrum would create problems for fixed microwave links, satellite uplinks and broadcast auxiliary services that use this spectrum, the ...