50 5G C-band buffers around US airports • The Register


Do you live near an airport in the United States and own a 5G handset? The Federal Aviation Administration (FAA) has released a promised list of major U.S. airports that will be surrounded by buffer zones that will not have 5G-C band service.

The technology is expected to go live on January 19.

The 50 selected airports – which include JFK, LAX and SFO – were chosen based on traffic volume, number of low visibility days and geographic location, the FAA said in a statement.

Buffers are designed to separate wireless signals and aircraft following reports that the 3.7 GHz band used by the 5G C-band could adversely interfere with radar altimeters on civilian aircraft.

The wireless companies, meaning AT&T and Verizon as they won almost all of the C-band spectrum contracts, agreed to shut down transmitters near all 50 airports for six months “to minimize potential interference. of 5G with sensitive aircraft instruments used in low visibility landings. “

However, the CEOs of both companies denied that 5G could be dangerous for flight operations, as C-band frequencies (3.7 – 3.8 GHz) operate sufficiently below altimeters (4.2 – 4, 4 GHz) so as not to be a problem.

If AT&T CEO John Stankey and Verizon CEO Hans Vestberg got it wrong, 50 airports could worryingly appear to be insufficiently full, but some airports weren’t on the list because 5G-C band service didn’t make the list. is not actually available there.

The technology was originally slated for December 5, but that date has been pushed back twice for safety reasons, with operators negotiating with the FAA on subsequent deployment dates. ®

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