[MLB-WIRELESS] Amplifier question...

[Greg]

There is no need to get any legal clarification on especially antenna's, as
the LAW (ACA whatever) says RADIATED POWER (EIRP) 4Watts MAXIMUM -does not
matter how you produce generate or arrive at this value, just dont exceed
it!

The reason it is better to have the ANTENNA doing all the work is that the
gain is reciprocal.
This means it amplifies the power going out exactly the same as it amplifies
the signal coming in.

Its Cheaper, Uses less Power, Can be built or got for free from someones
roof;-)

See Nicks explanation:
I'm no tech person but amplifying is less effective than
concentrating your signal via a good antenna which reduces the
amount of noise scattered about the place and increases the
sensitivity of the receive part of things as well. No good
sending out huge signal and noise in all directions if you can't
receive anything

GOTO The Reason

----- Original Message -----
From: "Clae" <clae at tpg.com.au>
To: <melbwireless at wireless.org.au>
Sent: Monday, April 29, 2002 5:11 PM
Subject: Re: [MLB-WIRELESS] Amplifier question...


> The reason is to do with the class license which allows the cards to
> operate in the reserved spectrum without requiring an individual
> license.  Basically it only covers unmodified gear as it comes out of
> the box.  If you used an amplifier you would be operating an
> unclassed device.
>
> The 4 watt limit is *effective* power, ie including the gain you get
> from using an antenna.
>
> When it comes to that, maybe we should get a legal clarification
> about homebrew antennae...
>
> Clae
>
> >Apologies if I'm missing something obvious here, but apart from the
> >price, is there any reason why wireless amplifiers aren't more commonly
> >used?
> >
> >(Such as ones mentioned in:
> >http://www.ecwest.com/shopping/PriceList.asp?Brand=162)
> >
> >>From my understanding (and from the page:
> >http://www.x.net.au/wireless.html), it is legal to transmit at up to 4W
> >in the 2.4Ghz range in Australia - Considering that most of the cards
> >that are popular are rated at about 30-100mW, wouldn't this be a massive
> >advantage having that much power available?
> >
> >Now I'm probably just missing a really obvious point here, but if
> >someone could enlighten me, it would be most appreciated :)
> >
> >Cheers,
> >
> > Fenn.
> >
> >
> >
> >To unsubscribe: send mail to majordomo at wireless.org.au
> >with "unsubscribe melbwireless" in the body of the message
>
>
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