[MLB-WIRELESS] Re: Critical Systems & ISM

[Radio Tech]

At 11:22 AM 8/5/02 +1000, lkhoo at csc.com.au 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.
>
>Yes! I've seen them everywhere and i've always wondered what they were!
>They are everywhere in the city. From memory I think there is one on the
>corner of Collins and Queen? Opposite the book shop.
>
>I saw one yesterday day and it looked like a jumbo omni (~ 3m+ high).
>
>I actually found that one of my sites had a heap of wireless stuff
>installed and I couldn't even tell without really looking for them. They
>had really small flat panel antenna's. They were about 2cm x 10cm x 5mm and
>were placed on the corners of hall ways etc. These were then hooked into
>near by AP's.
>
>Lucas

It would be interesting to "see" just what the band occupancy is like,
with a Spectrum Analyser. I also suspect lots of in house cordless phone
networks using proprietory protocols are on 2.4GHz too.
It would be great to snoop the whole bandwidth to see whats going on :-)

Jack
Rockhampton

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