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From: Don Y <blockedofcourse@foo.invalid>
Newsgroups: sci.electronics.design
Subject: Re: "Safe" cell phone WiFi capabilities?
Date: Tue, 21 May 2024 15:26:53 -0700
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On 5/21/2024 3:43 AM, John R Walliker wrote:
> I can offer some real-world data that may be of use.  I manage
> WiFi access points in offices around the world.  In every case,

So, these are "closed"/private spaces (NOT "coffee shops" open to
public access)?

Do you have an idea as to the mix of clients (laptops, phones,
appliances)?

And, how "saturated" the airspace is?

> i have disabled 802.11b and nobody has complained.  The reason for
> doing this is that some devices such as high-definition cameras
> and screen sharing devices send large amounts of data using
> multi-casting. If one WiFi recipient is connected very slowly
> this uses up all the available WiFi bandwidth causing the whole
> network to grind to a halt.

Yes.  OTOH, you can use multiple radios to move the slowpokes
out of the way.

> Setting a minimum connection speed of 12MHz at 2.4GHz and 24MHz
> at 5GHz is also useful and does not appear to cause any problems.

But, how much *higher* than that might you be able to go without
folks complaining about "equipment incompatibilities"?