[181096] in North American Network Operators' Group
RE: 2.4Ghz 40Mhz 802.11n wifi and Apple Macbook
daemon@ATHENA.MIT.EDU (Steve Mikulasik)
Mon Jun 15 17:12:08 2015
X-Original-To: nanog@nanog.org
From: Steve Mikulasik <Steve.Mikulasik@civeo.com>
To: NANOG <nanog@nanog.org>
Date: Mon, 15 Jun 2015 21:09:16 +0000
In-Reply-To: <op.x0ahvjj2tfhldh@rbeam.xactional.com>
Errors-To: nanog-bounces@nanog.org
Is this one of those requirements that gets ignored? I have seen plenty of =
40Mhz SSIDs polluting spectrum in areas with lots of overlapping APs.=20
Steve Mikulasik
-----Original Message-----
From: NANOG [mailto:nanog-bounces@nanog.org] On Behalf Of Ricky Beam
Sent: Monday, June 15, 2015 2:58 PM
To: Brielle Bruns; Colton Conor
Cc: NANOG
Subject: Re: 2.4Ghz 40Mhz 802.11n wifi and Apple Macbook
On Mon, 15 Jun 2015 14:17:52 -0400, Colton Conor <colton.conor@gmail.com>
wrote:
> So assuming you live in a decent sized house/lot, should you really=20
> care about squatting all over the entire band? I mean sure I can see=20
> my neighbors wifi signals...
*DING* There's your problem. It doesn't matter if you can link and pass tra=
ffic. If **ANY** other signal is detected in the extended channel, the AP i=
s *REQUIRED* to cease operation @ 40MHz. This is why it is nearly impossibl=
e (outside a shielded lab) to get 40Mhz mode in the 2.4GHz band. =20
SOMETHING is going to step on it -- neighbors, bluetooth, cordless phone, l=
eaky microwave oven, baby monitor, RC toy, ...
