New York Times, Jan. 17: "Many of these devices transmit a signal, and all of them emit electromagnetic waves, which, in theory, could interfere with the plane’s electronics. At the same time, older planes might not have the best shielding against the latest generation of devices, some engineers said.

Daily Mail, Jan. 19: "Most personal devices transmit a signal and all of them emit electromagnetic waves which, in theory, could interfere with the plane’s electronics. At the same time, older planes might not have the best protection against the latest generation of devices."

There are many other similar passages.