[maemo-users] Wifi vrs Bluetooth power => maemo mapper experience

From: Michel Brabants michel.brabants at euphonynet.be
Date: Fri Apr 13 00:54:38 EEST 2007

 I just had a trip to Frankfurt for my company and took the  N800 with me. I 
used it to map the road and a colleague used it to browse the web for a 
second (ebay). I looked at the screen from time to time, ... The trip took 
around 3 hours, but I also used it during the evening to get some food and 
back and also to go to the hotel. In total maybe around 5 hours for mapping 
and looking where to go (Tomtom failed at a moment and we didn't know that a 
reset would help ... and radio-navigationsystem doesn't have precise maps of 
Germany. So, 2 gps-systems and maemo-mapper to the rescue :).). Anyway, I'm 
very pleased of battery-time. I didn't use Wlan really yet however. So, I 
can't comment on the Wlan. For the rest, I'm very happy up till now to have 
bought the device.



Op Thursday 12 April 2007, schreef Laurent GUERBY:
> FWIW, my globalsat BT-359 GPS linked via bluetooth to my N800 running
> maemo mapper on during a whole Paris-Toulouse-Castres TGV (high speed
> train) trip ran on one charge taking 19910 data points from
> 2007-04-06T08:25:02+02:00 to 2007-04-06T15:11:46+02:00 so a bit less
> than 7 hours, resulting .gpx file is 2.6MB for about one data point per
> second. I turned the N800 off with one bar left when I reached the end
> of my trip.
> I turned on the screen from time to time to see the speed of the train
> so this is not a bluetooth only check, and maemo mapper was
> running of course.
> The only thing is that I had to switch sound off because top
> speed warning in maemo mapper is limited to 300 km/hour and the TGV is
> sometimes above it during the trip :).
> All in all I assume bluetooth doesn't consume that much.
> Let us know your experience.
> Laurent
> http://guerby.org/blog/
> On Thu, 2007-04-12 at 12:37 +0900, Brenton Bills wrote:
> > Greetings folks,
> >
> > Well there has been a bit of talk on WIFI power usage for the N800,
> > just wondering if it uses less power than bluetooth or the same or
> > what? Also wondering if the N800 can listen to bluetooth requests
> > while in sleep mode or if that would just kill the battery too quick
> > or even if thats possible? I was thinking of seeing how difficult it
> > would be to be to push say nagios alerts to the N800 over bluetooth
> > and cause it to wake up if it gets such a request? Pushing stuff from
> > my computer to the N800 would be cool.
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