Looking for information about wireless and hf modems

[watson]

Wireless hf modem

hi
I want to khnow some about available hf and wireless modems ( BW,modulation,... ), and design of them
thanks in advance

 

[flatulent]

none

There are probably none availabe excep for ham types. Commercial data is part of some overall product like shipping weather forecasts.

Here https://universal-radio.com/catalog/decoders.html is a list of examples at a dealer.