The security scan works on the basis of millimetre wave technology.

In addition, all models in the iPhone 12 series will reportedly support a 5G millimetre wave.

In the 5G mobile system, new features such as millimetre wave operation, small cell size and multi beam are requested at base stations.

The " millimetre wave technology" scanner can provide airport security staff with images that have been likened to images of naked shop dummies.

Millimetre wave technology is going to dominate the next wave of communications and the only way is up.