Lens antennas focus multiple wireless beams

Equipment Antennas
1

Using refraction instead of reflection or phased arrays, MatSing has created antennas that produce multiple beams.

Lens antennas focus multiple wireless beams
Lens antennas focus multiple wireless beams874×586 84.9 KB

Source (and Read more): Lens antennas focus multiple wireless beams - 5G Technology World

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I used to hear about such type of antennas when I worked at MegaFon in Moscow 5 years ago. They used that antennas for mass events and as far as I remember results were good.
Negative side is very high cost of such types of antennas.