Flight regulators are very nervous about this C-band update because of how it might affect certain aircraft’s radio altimeters . … In a nightmare scenario, the FAA thinks that signals sent over C-band could interfere with these altimeters — specifically older altimeters — creating a potential safety issue.19 Oca 2022
Read moreIs 5G prone to interference?
However, it is expected that 5G signals may suffer interference . They can be easily blocked or diffused by physical object (buildings or atmospheric and environmental events) and will have a smaller footprint compared to other waves (2, 3 and 4G)[3]. Also, there might be problems with moving receivers/transmitters[4].
Read moreHow does 5G interfere with air travel?
But at some airports where flights can still take off and land amid reduced visibility, some kinds of regional jets are nonetheless prohibited from flying because of concerns that radio signals from nearby 5G cell phone towers will interfere with radio altimeters on the airplanes .
Read moreWhat part of the spectrum does 5G use?
Today, a majority of commercial 5G networks rely on spectrum in the 3.5 GHz range (3.3 GHz-4.2 GHz) .
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