FCC To Consider Options on Upper C-band Auction | Aviation International News

Regulations and Government

FCC To Consider Options on Upper C-band Auction

Congress directed the FCC to auction portions of the Upper C-band, which is adjacent to those used by aviation

5G cellphone tower at sunset — Australia's government is working to mitigate any possible avionics interference as the country's adoption of 5G cell phone service grows.

By Kerry Lynch • Editor, AIN monthly magazine

October 29, 2025

The Federal Communications Commission (FCC) has drafted a proposal to auction up to 180 megahertz of spectrum in the 3.87 to 4.2 GHz band for next-gen wireless services. To come under consideration by the FCC at its November open meeting, the proposal will seek options on a range of options “with the ultimate goal of maximizing the amount of spectrum to be repurposed as generational aviation safety upgrades occur in the adjacent band,” according to the agency.

Under the One Big Beautiful Bill, Congress directs the agency to complete a competitive bidding for at least 100 MHz in the Upper C-band no later than July 2027. Specifically, it requires the auction of “prime, mid-band spectrum” in the Upper C-Band.

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