Question Wi-Fi Channels and Frequency Bands basics

[derek wildstar]

Hi,
I have been watching videos about WiFi technology lately to at least get the basics of it.
In particular this youtube video:

wifi channel

from min: 7:25, he says, "..the key thing in 2.4 Ghz is to know that the channels are spaced 5 Mhz apart so.."
I think I got this point more or less, but I'd like to delve a little deeper into the the physical aspect of how the information travels on a single wave.
Is each piece of information/packet carried on a single 2.4 Ghz wave, in particular, a 2412, 2437, or 2462 Mhz wave at a time?
Could someone help me figure it out? Thanks

 

[kanewolf]

Hi,
I have been watching videos about WiFi technology lately to at least get the basics of it.
In particular this youtube video:

wifi channel

from min: 7:25, he says, "..the key thing in 2.4 Ghz is to know that the channels are spaced 5 Mhz apart so.."
I think I got this point more or less, but I'd like to delve a little deeper into the the physical aspect of how the information travels on a single wave.
Is each piece of information/packet carried on a single 2.4 Ghz wave, in particular, a 2412, 2437, or 2462 Mhz wave at a time?
Could someone help me figure it out? Thanks

Maybe start with this page -- https://wifininjas.net/2019/07/07/wn-blog-004-modulation-encoding-techniques/

 

[derek wildstar]

Maybe start with this page -- https://wifininjas.net/2019/07/07/wn-blog-004-modulation-encoding-techniques/

Ok, I'm going to read it trying to make sense of it since I have no basics about this stuff.
Meanwhile, could you please answer my question? Thanks

 

[kanewolf]

Ok, I'm going to read it trying to make sense of it since I have no basics about this stuff.
Meanwhile, could you please answer my question? Thanks

No, I can't. That is why I referred you to a website that can. I am not an RF engineer.

 

[bill001g]

First the channels are not 5mhz they are either 20mhz or 40mhz. It is massively much more complex than you think.
The different methods of encoding the data is what makes say wifi5 faster than wifi4.