Why airlines and telecoms are fighting over the 5G rollout
 

Rollouts of new wireless technologies and standards have not always gone well. When the GSM system debuted, it caused hearing aids to buzz and pop with static while early cell phone signals would occasionally disrupt pacemakers. Today, as carriers expand their 5G networks across the country, they are faced with an equally dangerous prospect: that one of 5G’s spectrum bands may interfere with the radio altimeters aboard commercial aircraft below 2,500 feet, potentially causing their automated landing controls to misjudge the distance from the ground and crash.

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