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<div>At 3:08 PM +1000 7/9/2004, Richard wrote:</div>
<blockquote type="cite" cite>What do these things use then? IR LEDs or
something?<br>
I think they would be susceptible to some interference from the Sun
and heavy rain/fog, so not completely noise free, but at least you
don't have to share with phones and microwaves. :)<br>
<br>
You might be able to convince someone like Jaycar to set the kits up,
especially considering they're completely open source
designs.</blockquote>
<div><br></div>
<div>Yeah or Oatley Electronics in Sydney.</div>
<div>http://www.oatleyelectronics.com</div>
<div><br></div>
<blockquote type="cite" cite>
<blockquote type="cite" cite><tt>Disadvantages<br>
* Fairly short range (1.4km)<br>
* Time consuming to build, not available pre-built or even in kit
form<br>
yet.<br>
* Not capable of point-to-multipoint operation</tt></blockquote>
</blockquote>
<div><br></div>
<div>It might be possible to split the signal optically (one LED with
beam splitters or mirrors) or electrically (ie two LEDs). The
first would cut down your range by half I'd assume.</div>
<div><br></div>
<blockquote type="cite" cite>
<blockquote type="cite" cite><tt>I'd be interested to see if there are
ways to legally increase the range</tt></blockquote>
</blockquote>
<div><tt><br></tt></div>
<div><tt>Is there *any* legal restriction on the visible
spectrum?</tt><br>
</div>
<div>Clae.</div>
<div><br></div>
<x-sigsep><pre>--
</pre></x-sigsep>
<div><font size="-2" color="#231F20">"I've often performed and
recorded with this instrument and its sound is excellent.</font></div>
<div><font size="-2" color="#231F20">Very occasionally it explodes
during a performance, but the audience assumes that</font></div>
<div><font size="-2" color="#231F20">it is part of the act." -
Linsey Pollack - http://www.amcoz.com.au/pdfs/jnl6203.pdf</font></div>
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