Washington Beat First Phase of 5G Spectrum Auction Concludes By RBR-TVBR - January 18, 2021 0 FacebookTwitterWhatsAppLinkedinEmail The FCC seal The FCC on Friday announced the conclusion of bidding in the clock phase of Auction 107, the largest auction of mid-band 5G spectrum. It’s also the highest-grossing spectrum auction, overall, ever held in the U.S. Please Login to view this premium content. (Not a member? Join Today!)