Re: LZ: a new rtlink???
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I believe Mr. Porter was suggesting that we just use the small transmitter
thhat comunicates between the cordless phone and the base unit. I was
talking about the RTlink with my dad(who is a electrical engineer and
knows a lot about radios) and he suggested the same thing. The real beauty
of this idea is that the corldess phone already passes FCC regulations. I
am going to give this idea a try this weekend hopefully (if I can find and
old cordless phone). I'll keep you updated.
Mike Johnson
mj11749@cedarnet.org
----------
> From: site <site@xnet.com>
> To: list-zshell@defiant.rbk.sollentuna.se
> Subject: Re: LZ: a new rtlink???
> Date: Friday, August 09, 1996 1:02 AM
>
>
> The link uses TTY signals, a phone is audio. Thus you need to modulate
> and demodulate the signal. Hence a MoDem. See the prob. If you want
> data over radio, try a packet modem.
>
> ---
> site ignore
>
> On Thu, 8 Aug 1996, everything right is wrong again .. wrote:
>
> >
> >
> > On Thu, 8 Aug 1996, Chris Porter wrote:
> >
> > > i was discussing this with a few people at an electronics repair
shop and
> > > they said that basically a cordless phone *not a cell phone* does
the same
> > > thing as the rt link but would work if the wires were connected
right, and
> > > the peak values were adjusted to get past line noise. maybe a little
project
> > > for us electronics guru's out there would be to write a simple
circuit that
> > > raises the peak values and attaches to the corless phone.. some of
them have
> > > a range of about 100 feet or so. and they do the modulation stuff on
one
> > > freq. hey it could be done... then the base part.. (the reciver) can
be used
> > > as a relay station.. or repeater. bateries would be a pain in the
ass but
> > > hey then you could get even further... just a thought.
> > > chris
> > >
> >
> > Use the base part as a repeater?? Interesting idea, but I think
> > it should stay with HAM radio, its not very portable or convinient.
> >
> > Actually, someone might be able to take apart a cordless phone,
and hook
> > ths speaker and mic wires up to the link port, and then someone else
> > plug rj11 cord into the base, and strip the end of the wire, and plug
the
> > red and green wires to the link port of another calculator. It'd be
just
> > like when someone picks up a "regular" phone when your on the
coordless
> > phone on the same line, and you tell them "hangup I'm talking to
> > someone.".... hmm, not exactly too portable either..oh well.
> >
> >
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