[OLPC-AU] SDIO on external SD slot

[forster at ozonline.com.au]

James
I have a Dodo USB using the Optus network in Australia. I am located in the fringe of Melbourne. If I can help with testing just ask.
Tony

> On Mon, Mar 07, 2011 at 09:54:07AM -0500, Martin Langhoff wrote:
> > On Mon, Mar 7, 2011 at 1:12 AM, Sridhar Dhanapalan
> > <sridhar at laptop.org.au> wrote:
> > > Thanks Wad, Peter and Martin. We are currently trialling the use of 3G
> > > Wifi access points, with government-approved content filtering
> > > supplied by the telco. Just to be thorough, I am also investigating
> > > what our other options may be.
> > 
> > Interesting. For anything larger than ~ 20 users, I definitely
> > recommend an XS. The XS can then be your bridge between 3G and Wifi
> 
> The data rate and latency of the Australian "Telstra Next G" 3G service
> are quite reasonable ... for the regional areas it is a dual-cell HSPA
> with 14.4 Mbit/s deployed nationwide.  Timing radius out to about 120km
> from a high enough tower operating on 850 MHz band.  Modems typically
> obtain 3 Mbit/s or 7.2 Mbit/s of the available 14.4 Mbit/s.  The uplink
> and peering are excellent, with latencies of the order of 50ms to 100ms
> even in the outback.
> 
> Therefore I'd put the threshold for proxy advantage closer to ~ 40
> users. 
> 
> The capital city towers are configured differently, something around 42
> Mbit/sec.  I've heard there is more contention and packet loss in these
> areas, but haven't measured them personally.
> 
> -- 
> James Cameron
> http://quozl.linux.org.au/
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