On Sat, May 13, 2023 at 05:18:53PM +0200, Sagar Acharya wrote:
> Yep. That is true. I didn't think of that at all! But then, why do current WiFi, etc. work at 2.4GHz, if device speeds aren't at those levels?
The choice of radio frequency will be based on suitability (available
bandwidth, propagation characteristics etc.) and regulatory matters
(world-wide availability etc.). The 5GHz band is also widely used now.
Typically the lower layers of the protocol stack (including the radio
for wireless and the electrical interface for wired) will use a
dedicated chip set, so the microprocessor device need only concern
itself with higher level data. For low speed systems there are even chip
sets (e.g. WIZnet [1]) which offload as high as the TCP layer, though
these are less flexible than handling TCP/IP in software.
David
[1]
https://www.wiznet.io/
Received on Sun May 14 2023 - 13:21:38 CEST