GSM detection/identification

ian douglas ian.douglas at
Wed Jul 30 02:02:04 CEST 2008

Paul Buede wrote:
> the coverage isn't great in the rural areas I find myself.  When driving
> around, if out of reach of tmobile, it will say "registering" as if
> there is no sim card.  But, on the little image of the antenna, that
> shows how strong my connection is, I still have 2 bars.  Is that a bad
> guage of connectivity?

As far as I recall, TMobile only uses the higher-frequency band, (1800
or 1900? I can never remember), and probably won't drop down to the
850MHz band unless they've signed an agreement with AT&T to piggyback on
their lower-frequency network in the rural areas where you've been.


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