Community update: GSM firmware, 850MHz experiment, GTA02 progress

Mark markitect at gmail.com
Mon Dec 10 15:32:50 CET 2007


In regards to the 850MHz Issue:
It seems that very little effort was required to switch a phone board
to 850 for testing.  So my question is what exactly is involved.  Was
it simply switching which pin is attached to the antenna?  If it is a
relatively simple circuit change and involving only a top (or bottom)
layer trace, is it possible to tell us what connections to change to
convert an existing unit to 850MHz.  Obviously only  for the very
experienced people.  If there is different capacitor, etc required to
match the frequency it might be less doable, but details would be
nice. once the design has been confirmed.  On a side note this is
excellent news that the 850 variant may not be far behind GTA02.

Mark

Mark




More information about the community mailing list