Subject: Re: iwlagn: is tx_power_device_lmt a regulatory limit or a
 hardware limit?
From: wwguy <wey-yi.w.guy@intel.com>
To: Richard =?ISO-8859-1?Q?Sch=FCtz?= <r.schtz@t-online.de>
Cc: Stevie Trujillo <stevie.trujillo@gmail.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
In-Reply-To: <4DDE1458.9090004@t-online.de>
References: <201105251813.36804.stevie.trujillo@gmail.com>
	 <1306352560.20732.0.camel@wwguy-ubuntu>
	 <201105252154.06204.stevie.trujillo@gmail.com>
	 <1306376938.20732.2.camel@wwguy-ubuntu>  <4DDE1458.9090004@t-online.de>
Content-Type: text/plain; charset="UTF-8"
Date: Thu, 26 May 2011 07:11:49 -0700
Message-ID: <1306419109.20732.6.camel@wwguy-ubuntu> (sfid-20110526_161536_615047_038E3156)
Mime-Version: 1.0
Sender: linux-wireless-owner@vger.kernel.org

On Thu, 2011-05-26 at 01:50 -0700, Richard Schütz wrote:
> > On Wed, 2011-05-25 at 12:54 -0700, Stevie Trujillo wrote:
> >> On Wednesday 25 May 2011 21:42:40 wwguy wrote:
> >>> On Wed, 2011-05-25 at 09:13 -0700, Stevie Trujillo wrote:
> >>>> Hello,
> >>>>
> >>>> I have a "Intel(R) Centrino(R) 1030 BGN" card. tx_power_device_lmt is 15
> >>>> and I was wondering if the card could do more than that.
> >>>
> >>> the card should not and will not do more than what required by
> >>> regulatory
> >>
> >> I'm allowed to do 20dBm here and was wondering if I could make the card do
> >> that.
> >>
> > the tx power in Intel WiFi device is regulated by uCode to make sure we
> > are within regulatory limits. What country you are in?
> >
> > Thanks
> > Wey
> 
> I am also having the same issue with my Intel PRO/Wireless 5100 AGN. 
> Here in Germany I'm allowed to use 20 dBm (in the 2.4 GHz band), but the 
> card is limited to 15 dBm. So in some situations other cards are working 
> fine (as they use 20 dBm) and the Intel can't establish a connection.
> 
We do not have different SKUs for different regions of the world. Now I
understand your problem. Thank you very much for reporting. I will raise
the issue and see how we should fix it. 

Sorry, I don't have a solution for you today. But it is very important
for us and we need to result it.
  
Thanks
Wey