From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Friesen Subject: Re: wireless router performance differ with 2.4Ghz vs 5.0Ghz frequency Date: Thu, 23 Aug 2012 09:23:16 -0600 Message-ID: <50364AE4.9050401@genband.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Lin Ming , linux-wireless@vger.kernel.org, networking To: Julian Calaby Return-path: Received: from exprod7og102.obsmtp.com ([64.18.2.157]:54205 "EHLO exprod7og102.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756223Ab2HWPXy (ORCPT ); Thu, 23 Aug 2012 11:23:54 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On 08/23/2012 04:34 AM, Julian Calaby wrote: > Hi, > > On Thu, Aug 23, 2012 at 2:50 PM, Lin Ming wrote: >> Hi list, >> >> I have a wireless router with 2 wireless cards: 2.4Ghz and 5.0Ghz frequency. >> >> The performance for 2.4Ghz is much worse than 5.0Ghz. >> >> Does the frequency affect performance so much? > There are a lot of factors: > - Amounts of other networks on the same channel > - Noise > - Signal strength > etc. > > It's quite possible that there are less networks on 5GHz channels > where you are so there's less noise, stronger signal, and therefore > better performance. Most routers are still only 2.4GHz. In addition to this you may wish to check your channel width. You may be using 40MHz channels on 5GHz and 20MHz channels on 2.4GHz. Chris