[dmitrygr]

  > work extremely well as demonstrated by radio frequency spectrum

You are definitely not a USA resident! Thanks to those auctions we have an oligopoly of carriers who charge per GB like it is a gallon on Nobel Prize winners' sperm, while delivering service that compares unfavourably with a 56K modem on a bad line.

[Atheros]

$3.33/GB. Fairly middle of the road. No sperm required.

https://www.cable.co.uk/mobiles/worldwide-data-pricing/

[fulafel]

They can be bungled, but they demonstrably can be made work, a bit like aircraft...

(Though there is oddly little critique about the tight control of airwaves, and having only microscopic slices for free individual use like wifi and p2p links)