G2 tri-band / quad-band

This is merely a historical archive of years 2008-2021, before the migration to mailman3.

A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/baseband-devel@lists.osmocom.org/.

Harald Welte laforge at gnumonks.org
Tue Nov 9 10:28:50 UTC 2010

On Tue, Nov 09, 2010 at 10:09:42AM +0100, Sylvain Munaut wrote:
> Hi,
> > Given that the filters (including the 850/900) are all unbalanced-to-balanced
> > filters, I doubt that somebody would simply not place them (as you cannot
> > replace them just with a 0ohms resistor or soemthing.  By removing one filter
> > you would not be able to produce a standard 850/1800/1900 or 950/1800/1900
> > configuration but something like 850/900/1800 or 850/900/1900 which doesn't
> > maeke sense.
> Have you noticed that the capacitors on the 850 path are marked as N/C ?

no. ouch.  

> I don't see why they wouldn't have put them tough ... it's not like it
> changes the price much.

probably a 'marketing requirement'... "we don't want to sell a quadband phone
for the same price like a tri-band phone"

- Harald Welte <laforge at gnumonks.org>           http://laforge.gnumonks.org/
"Privacy in residential applications is a desirable marketing option."
                                                  (ETSI EN 300 175-7 Ch. A6)

More information about the baseband-devel mailing list