Oh, I agree that the power control is a major part of why cellphones work
as well as they do....

I was making a point that people need to consider cellphones as relatively
short range radios. There is a tenancy to expect cellphones to work all the
time, anywhere. But, most radio systems DON'T work that well.

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As for boosters, the ones I've seen ARE passive. An active booster
system would be fairly expensive. If they really worked, the cellphone
manufacturers would have them as an option and just about everbody would own
one.


Jim Pennell
N6BIU