Hi Tom, 
        On 06 Aug'97, at 00:01, in a message to Dave Nemeth, you wrote: 
 TM> That sounds more like RF Fingerprinting 
 TM> to me, where they watch your 
 TM> frequency because every different type of 
 TM> phone, (not every different phone 
 TM> mind you) transmits differently I 
 TM> suppose, and that is what they watch out 
 TM> for.  They also have authentication 
 TM> though, which I still don't understand. 
I understand authentication to be a chip installed that issues a signal 
of some sort unique to the phone itself irregardless of the ESN or 
type/model. I have a Motorola Piper that has that ability. 
Ray Madison 
70661.2471@compuserve.com 
madisonr@auhs.edu 
... There are 3 kinds of people - those who can count & those who can't.
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