Focusing versus no focusing

The Radio Wave Display (RWD by Luxondes) shows in real time the waves that pass through it. The TRIMARAN project's prototype of focusing antennas generates a focused radio communication that is visible on the RWD.
We can compare it to a non focused signal.
More on this:
https://recherche.orange.com/en/focusing-antennas-for-a-green-5g-a-project-awarded-with-the-economic-impact-prize-by-the-french-research-agency/