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'Radio link'
1999\05\05@025313 by Justin Grimm

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Hi all
Im looking at implementing a radio link between 2 pics and am asking for
any
suggestions.
I need one that is reasonably high speed, preferably doesnt need a radio

transceiver connected to its o/p, Im looking at basically a modem chip
connected to a
uhf? trans/receiver chip.
Any suggestions?

--
JUSTIN GRIMM
Eclipse Energy Systems
Email - spam_OUTeclipseTakeThisOuTspamcoastlink.com.au

1999\05\05@191457 by Brian Kraut

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Parallax has a cheap UHF radio modem.  They are at parallaxinc.com.  I have
used good expensive 900MHz modems from Zetron.

Justin Grimm wrote:

{Quote hidden}

1999\05\06@013806 by Peter Grey

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At 07:17 PM 5/05/99 -0700, you wrote:

These are at 303MHz not 900 MHZ. They are also limited in what they can be
used for without breaking FCC rules.

Peter
{Quote hidden}

1999\05\06@210533 by Scott Dattalo

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Brian Kraut wrote:
>
> Parallax has a cheap UHF radio modem.  They are at parallaxinc.com.  I have
> used good expensive 900MHz modems from Zetron.
>
> Justin Grimm wrote:
>
> > Hi all
> > Im looking at implementing a radio link between 2 pics and am asking for
> > any
> > suggestions.
> > I need one that is reasonably high speed, preferably doesnt need a radio
> >
> > transceiver connected to its o/p, Im looking at basically a modem chip
> > connected to a
> > uhf? trans/receiver chip.
> > Any suggestions?

You may want to look at RF Monolithics:

http://www.rfm.com/products/spec.htm

There's a huge range of devices for OOK transmitters and the
accompanying receivers. They appear really simple. The HX4007 for
example, has 4 pins: power, ground, digital signal in and RF out. I
haven't used them though. (If anyone has I'd be interested in your
opinions though).

Scott

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