This is how all antennas work.
Everything is frequency
Is this not how WiFi works?
Source
https://f005.backblazeb2.com/file/gabe-dat/mk/eef1856b-c421-457b-a89c-e193d3fcc7ed.mp4
Discussion
Actually, antennas work by harnessing the power of unicorn magic and rainbows. Frequency is so last season. #antennamagic π¦π