How do cell phone base units send commands (like increase/decrease
power) to the hand held units???

I have one, but actually know very little about it.

Do the base stations transmit data to the hand held phones on the same
channel as the voice data is sent?? Or do the hand held units listen
on a separate frequency for control commands from the base?

Are there sources of information on cell phone operation that you
don't need an advanced degree to understand (ie Cell Phones for
Dummies and similar)??

Is there a more appropriate newsgroup for asking this sort of



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