Critical Systems & ISM (was RE: [MLB-WIRELESS] Wireless 'cloud' may offer silver lining Or is it just 'pie-in-the-sky' technology?)

[Alternate]

Yeah, you see them a lot today. It's because when the traffic lights
have to communicate with other things, doing it wireless is a lot
cheaper than laying cables underground.

- Frederik Grunta



On Mon, 2002-08-05 at 11:12, Jason Clarke wrote:
> Speaking of this, has any one noticed the antennas on top of a lot of
> traffic lights recently??
> 
> I can't think of any specific intersections at the moment, but I've seen
> some.
> 
> > There are many critical systems that operate ISM band gear. Your local
> > Hospital is full of it. The Military use it too, amongst many other
> > Government organisations. Yes, they must all be prepared to receive
> > intinerant interference, however if due to poor engineering of another
> > system, OR deliberate interference, then its a problem not neccesarily
> > (sp?)for the system being interfered with.
> > IF a Hospital receives continual interference, it will be investigated if
> > they complain. Luckily for us, our wireless population density will
> > probably never get as bad as the U.S. That means our interference problems
> > should be
> > rare....with a bit of luck :-).
> 
> And planning :-)
> 
> 
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