[Syd-Wireless] RE: [MLB-WIRELESS] RE: SMH wireless article

Marian Szczepkowski Marian.Szczepkowski at ericsson.com.au
Tue Apr 23 12:17:49 EST 2002


I would be care full here you are comparing proverbial apples and 
oranges.

The frequencies used in GSM (900, 1800 Mhz) and the 2.4gHz range have
different absorption rates. As you will be aware you are 80% water.

If you assume a 100% absoption for 2.4Ghz and a 10% absorption for
900, and 1800 this would cause a 600mw mobile to provide only twice the 
absorbable radiation as the 30mw 2.4 Ghz device. 

Note these numbers are crap, but we use 2.4 Ghz or there abouts in ovens,
we do this because it is absorbed. 

The method of absorption is also an issue, you may find one more 
dangerous 
than the other.

Would I use a 35mw 2.4Ghz wireless headset NO!!!!!!!!!!!


>>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<

On 4/23/02, 11:03:04 AM, Dean Collins <dean.collins at bigpond.com> wrote 
regarding RE: [MLB-WIRELESS] RE: SMH wireless article:


> Jason.

> Good call, you are right about needing to stress the safety factor for 
the
> general public. Would you like to write a brief paragraph with the 
relevant
> information about outputs and then send it to the Melbourne and Sydney 
web
> site managers so this information can be added to the FAQ.

> Whilst on this topic do either of the sites have contact details for a 
media
> representative should they have any enquiries? If not can the web site
> managers add this and report back to the lists when this has been 
completed.


> Cheers,

> Dean


>  -----Original Message-----
> From:         owner-melbwireless at wireless.org.au
> [mailto:owner-melbwireless at wireless.org.au]  On Behalf Of Jason Hecker
> Sent: Tuesday, 23 April 2002 10:46 AM
> To:   Anderson, Steven; melbwireless at wireless.org.au;
> syd-wireless at sydney.air.net.au
> Subject:      RE: [MLB-WIRELESS] RE: SMH wireless article

> It's fair enough.  With all the hoohar about mobile phones, TV and radio
> towers, powerlines and health effects, I would expect the plebs to be
> worried about wireless capers and rightly so.  But, they need to be
> educated about GSM/CDMA vs weak powered 802.11b.  I am sure some people
> will take convincing that 802.11b is safe even though it operates at the
> same frequencies as your microwave oven which _cooks food_.  Simply 
fobbing
> people off with "just don't worry about it, we know what we are doing" is
> patronising.  No wonder the hoi polloi regard scientists and engineers 
with
> suspicion.

> >Little surprised about the comment "concerns about the potential
> >side-effects of wireless networks on human health".
> >
> >Huh?


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