‘Sonic attacks’ suffered by US diplomats likely caused by microwave energy, government study says – CNN

Source: ‘Sonic attacks’ suffered by US diplomats likely caused by microwave energy, government study says – CNN

We need to note that all our wireless communications take place in the Microwave spectrum and the inherent capacity of a medium is determined by its frequency.  In other words we keep increasing the frequency to get more bandwidth (3G => 4G => 5G).