Does 5G interfere with radio altimeter?

There is a major risk that 5G telecommunications systems in the 3.7–3.98 GHz band will cause harmful interference to radar altimeters on all types of civil aircraft—including commercial transport airplanes; business, regional, and general aviation airplanes; and both transport and general aviation helicopters.

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How does 5G interfere with planes?

The Federal Aviation Administration has said 5G networks could disrupt aircraft operations. The main concern is that cellular towers and antennas near airports could interfere with radio altimeters , which are electronic devices in aircraft that help pilots gauge their altitude above the terrain.

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