Hello Bill,
Try getting some info from a company called Tendler
Cellular in Boston. They have a product that takes a
cellphone with GPS built into it and sends DTMF tones to
the dispatcher station. I recently read an article in
Wireless Week on them.
Now if you could reverse it so the dispatcher station
dials the cellphone and get a calling plan like
BellSouth where the first incoming minute is free. Well
then you would have a very economical tracking system.
John McCarthy
Senior Performance Engineer
SAFCO Technologies
> Hi folks,
>
> I'm looking for information about the technology involved in
> wireless GPS. By that I really mean that I'd like to learn about
> what's possible/available for say, a fleet tracking system to be
> able to track vehicles using a combination of GPS and cell phone
> (i.e. pager) technology. I want to see about eliminating all the
> radio gear currently used for this and replacing it with
> something that can tap right into the phone system and, of
> course, the internet. I am also interested in issues that impact
> this approach in rural areas as well as in cities (which have
> unique GPS problems of their own down inside those urban concrete
> canyons.)
>
> Anyone have any advice or know of any resources or experts I can
> ask?
>
> TIA,
>
> - Bill Thoen
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