What do you want to know? I have one and long time ago, incorporated
the design into a payphone board for the company I worked for then. It
used an 8751 processor with a dtmf decoder to read the digits from the
handset (telephone) and then controlled the radio to place the call. A
company out of chicago(telular) developed it and licensed it with
motorola. Can't (or couldn't about a year ago) find any reference to
them.
Robert W Burton wrote:
>
> Curious,
> Once upon a time I saw some talk about a interface that would work with a
> bag cell phone. Does anyone have that interface that could shed some
> light on the issue?
> Thanks,
> Robert
>
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