5G glass antenna

[kvf]

JTower, NTT Docomo deploy 5G glass antenna for buildings in Japan

https://www.datacenterdynamics.com/e...ings-in-japan/

[DCA]

how it works is better explained here

http://www.connectivity.technology/2...tt-docomo.html

mind the year :-)

you also have glass which uses shielding to prevent 4G/5G signals from especially from entering the building.