Community update: The 850 MHz issue

Michael Shiloh michael at openmoko.org
Wed Nov 7 21:29:11 CET 2007


I was a little imprecise here. The circuit design, and thus board 
layout, is what limits the handset to 3 bands. The components selected 
(along with firmware and certification) select the 900/1800/1900MHz bands.

Michael

Randall Mason wrote:
> Michael said above that it was a question of a physical hardware change:
> 
>     The chipset is capable of quad band but the board was laid out to only
>     support 3 bands. So, 850Mhz is not supported on the GTA01 board. Instead
>     we support 900/1800/1900MHz.
> 
> Board layout is a hardware issue.
> 
> On 11/6/07, *Tim Shannon* <shannon.timothy at gmail.com 
> <mailto:shannon.timothy at gmail.com>> wrote:
> 
>     Just curious, I don't know much about the hardware in question, but
>     is it just a firmware issue, or does the hardware have to physically
>     change to move between the 900 or the 850 frequency?
> 
> 
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> 
> 
> -- 
> Randall Mason
> randall at mason.ch <mailto:randall at mason.ch>
> 
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