From: Pavel Machek <pavel@suse.cz>
To: Mark Lord <lkml@rtr.ca>
Cc: "Perez-Gonzalez, Inaky" <inaky.perez-gonzalez@intel.com>,
Inaky Perez-Gonzalez <inaky@linux.intel.com>,
linux-kernel@vger.kernel.org,
linux-usb-devel@lists.sourceforge.net
Subject: Re: ANNOUNCE: Linux UWB and Wireless USB project
Date: Tue, 6 Jun 2006 16:31:08 +0200 [thread overview]
Message-ID: <20060606143108.GB6980@elf.ucw.cz> (raw)
In-Reply-To: <44858B0F.7020704@rtr.ca>
On Út 06-06-06 10:02:55, Mark Lord wrote:
> Pavel Machek wrote:
> >
> >Common cellphones are 2W, iirc; (so it would be ~1mW) but I was more
> >interested in system power consumption. WIFI is too power intensive
> >for a cellphone (mostly). Is this designed to go into cellphones?
> >notebooks?
>
> Most mobile phones in North America typically max out at 0.5W,
> and spent much of the time operating in the uW - mW txpower range.
>
> I've forgotten the specs for GSM in Europe.
2W max on 900MHz, and 1W max on 1800MHZ, IIRC. Yes, they can go down
on good signal.
But power that goes out of the antena is not the only power
spent... GSM phones have about 5hours theoretical talk time on ~3.6Wh
battery. That means they eat around ~.5W in the best case.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2006-06-06 14:31 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-05 20:31 Perez-Gonzalez, Inaky
2006-06-05 22:24 ` Alan Cox
2006-06-05 23:12 ` Pavel Machek
2006-06-06 14:02 ` Mark Lord
2006-06-06 14:31 ` Pavel Machek [this message]
2006-06-09 2:27 ` [linux-usb-devel] " David Brownell
-- strict thread matches above, loose matches on Subject: below --
2006-06-07 22:41 Perez-Gonzalez, Inaky
2006-06-01 21:04 Inaky Perez-Gonzalez
2006-05-31 1:07 ` Pavel Machek
2006-06-04 15:29 ` Jan Engelhardt
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