“They said that about 20mb hard drives too! Lol “
The difference is that the 40MB, 100MB, GB and 100GB drives worked.
5G does not work as advertised. Not even close.
RF engineers have often wondered how they will get away with it.
Johnson & Johnson: ‘Temporary Shortage’ Of Tylenol In Some Areas Of US
That's probably why my WIFI router came with two 5G radios installed, when I purchased it in 2016.
Btw, this might be of interest to you:
https://www.technopediasite.com/2018/06/countries-using-ultra-fast-7g-and-8g.html?m=1