Re: 2.4Ghz 40Mhz 802.11n wifi and Apple Macbook

["Alexander Maassen" <outsider () scarynet org>]

Shoot me if i'm wrong, but doesn't a mac prefer MIMO in order to work
correctly?

On Sun, June 14, 2015 8:42 pm, Brielle Bruns wrote:
> On 6/14/15 12:33 PM, Anurag Bhatia wrote:
> > Hello everyone,
> >
> >
> >
> > I am running a TP Link TL-WR1043N which (as TP Link says is a) 802.11n
> > router working on 2.4Ghz (no support for 5Ghz). I am running it with
> > flashed OpenWRT.
> >
> >
> >
> > While using option to pick 40Mhz, I see my Mac only gets 20Mhz to use
> > and
> > speed is always 130Mbps. There's no other SSID nearby and I am sitting
> > next
> > to router for testing.
> >
> >
> > This brings me to question - Has anyone successfully used 40Mhz with
> > 2.4Ghz
> > on 802.11n standard with Apple Macbook? I wonder if it's limitation on
> > the
> > chipset or something else.
>
> Everything that I've seen/experienced says that Apple devices won't use
> 40mhz channels with 2.4 due to the overlapping bands/lack of good
> separation between channels.
>
> However, I'm not sure if this specifically applies to just the Airport
> APs like the Extreme, or to the laptops as well, as I use AE's at home,
> and the Unifi APs I do have in service all have 20mhz channels only set
> on them to avoid issues.
>
>
> --
> Brielle Bruns
> The Summit Open Source Development Group
> http://www.sosdg.org    /     http://www.ahbl.org