Enlarge / Airbus 320 cockpit. (credit: Getty Images | Skyhobo)
The Federal Communications Commission will consider issuing new rules for wireless receivers that could prevent future conflicts like the ongoing battle between the aviation and cellular industries.
There are strict rules requiring wireless devices to transmit only in their licensed frequencies. That means, for example, that AT&T and Verizon’s 5G transmissions in C-band spectrum (3.7 to 3.98 GHz) have to stay within the C-band.
But there isn’t much to prevent devices from receiving transmissions from outside their allotted frequencies. The altimeters used in airplanes to measure altitude officially rely on spectrum from 4.2 GHz to 4.4 GHz, but the Federal Aviation Administration has said that 5G transmissions in the C-band could interfere with the operation of some of those altimeters.
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