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[DPRG] RF RS-232 Modules

Subject: [DPRG] RF RS-232 Modules
From: Mike McCarty jmccarty at ssd.usa.alcatel.com
Date: Fri Feb 8 09:54:58 CST 2002

On Wed, 6 Feb 2002, Dennis Draheim wrote:

> Robert,
> 
> I demonstrated the Reynolds electronics TWS-434 and RWS-434 modules at the
> club meeting a few months ago:
> 
> http://www.rentron.com/rf_remote_control.htm
> 
> They are cheap (about $15 for tx/rx pair), and I was able to get reliable
> transmission up to about 40' at 2400bps, 20' at 4800bps, with no special
> data encoding other than the sync bytes they say to use, and with 7" lengths
> of #22 wire for antennae.  This was TTL serial; you'd have to add a couple
> of MAX232's for RS232.
> 
> Hope this helps,
> Dennis


That looks good for one-way links or half-duplex links. I don't see how
to use those for full-duplex links.

Mike
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