[MLB-WIRELESS] Re: [mesh] Power limits of Class Devices (such as WiFi ones you may be using)

[Steven Haigh]

There's actually a VERY good FAQ with most of the rules and regulations at
http://melbourne.wireless.org.au/wiki?TheEvolvingFAQ

Signed,
Steven Haigh
President - Melbourne Wireless
www.wireless.org.au


----- Original Message -----
From: "Mark Allen" <redness at optushome.com.au>
To: "evilbunny" <evilbunny at sydneywireless.com>;
<syd-wireless at lists.sydneywireless.com>
Cc: <announcements at lists.sydneywireless.com>; <mesh at itee.uq.edu.au>;
<melbwireless at wireless.org.au>; <wireless at tas.air.net.au>
Sent: Sunday, August 11, 2002 6:25 AM
Subject: [MLB-WIRELESS] Re: [mesh] Power limits of Class Devices (such as
WiFi ones you may be using)


> Cowboy's Ha....
>
> I've seen professional installations that dont even come close to the
> quality I have seen in many amateur installations.... I hate it when big
> business complains about something just to scare people into not using
> something thats free for everyone....
>
> But saying that, some people have been worrying me, using 31dbi gain
dishes
> with 100mw cards and 1/2Watt Amps to go 2-3 klms LOS.....
>
> Oh well...
>
> Mark Allen
> MPAP
> Brisbane Mesh Project
> --------------------------------------------------------------------------
-
> Mark Allen -- Alarm Systems Service Technician
> 0408917504 -- 0738491939 -- 0738497228
> Techncian -- ABC Alarms Pty Ltd
> Operator -- MPAP, Brisbane Queensland
> marka at abcalarms.com.au - redness at iname.com
> BCL Reg - B10539QLD Adv Diploma of Info Tech
> --------------------------------------------------------------------------
-
>
> ----- Original Message -----
> From: "evilbunny" <evilbunny at sydneywireless.com>
> To: <syd-wireless at lists.sydneywireless.com>
> Cc: <announcements at lists.sydneywireless.com>; <mesh at itee.uq.edu.au>;
> <melbwireless at wireless.org.au>; <wireless at tas.air.net.au>
> Sent: Sunday, August 11, 2002 3:25 AM
> Subject: [mesh] Power limits of Class Devices (such as WiFi ones you may
be
> using)
>
>
> > Hello syd-wireless,
> >
> > Community groups in general lately are copping a little bit of flak
> > from companies such as IDS in Adelaide among others over us acting
> > like cowboys, so I thought I'd do a little proactive rules and regs of
> > RF posting... We wish to comply to laws, and those that suggest
> > otherwise are grossly misrepresenting us, either intentionally or
> > unintentionally and in reality isn't what's happening for the majority
> > of people using the spectrum as it was originally intended... For
> > community mesh use...
> >
> > It's fact that among our ranks we bolster many professionals in this
> > field, this includes radio technicians with many years of experience...
> >
> > EIRP is rated as being the complete system, from the output of the
> > radio and any amps minus and losses and the gain of the antenna...
> > generally you don't need an antenna, and 9 times out of 10 if your
> > unsure of what your doing you could well be going over the legal limit
> > without even knowing it... As the saying goes if in doubt ask...
> >
> > ***PLEASE PLEASE PLEASE*** make sure your using the spectrum legally,
> > this means, channels 1 to 9 are allowed 4W or 36dBm EIRP and channels
> > 10 to 13 are ***ONLY*** allowed 200mW or 23dBm EIRP.
> >
> > Also it is only legal in Australia to transmit on channels 1 to 13, so
> > even if you can set your device to channel 14, please don't for the
> > sake of the community, and your own legal standing...
> >
> > Below is the technical explanation with links to the ACA website with
> > the current regulations of use with class based licenses...
> >
> > It's a repost from the tech list a little while back...
> >
> > ----
> >
> > 2400 to 2463Mhz is listed as max EIRP of 4W
> > 2463 to 2483Mhz is listed as max EIRP of 200mW
> >
> > http://www.aca.gov.au/publications/info/spreadsp.htm
> >
> > about 1/2 way down the page...
> >
> > channel 1 = 2411Mhz centre freq.
> > channel 2 = 2416Mhz centre freq.
> > channel 3 = 2421Mhz centre freq.
> > channel 4 = 2426Mhz centre freq.
> > channel 5 = 2431Mhz centre freq.
> > channel 6 = 2436Mhz centre freq.
> > channel 7 = 2441Mhz centre freq.
> > channel 8 = 2446Mhz centre freq.
> > channel 9 = 2451Mhz centre freq.
> > channel 10 = 2456Mhz centre freq.
> > channel 11 = 2461Mhz centre freq.
> > channel 12 = 2466Mhz centre freq.
> > channel 13 = 2471Mhz centre freq.
> > channel 14 = 2484Mhz centre freq.
> >
> > each channel needs 11Mhz either side of centre freq.
> >
> > This means channel 10 and every subsequent channel falls into the 2463
> > to 2483Mhz range and is only allowed a maximum of 200mW or 23dBm EIRP...
> >
> > --
> > Best regards,
> >  evilbunny                          mailto:evilbunny at sydneywireless.com
> >
> > http://www.SydneyWireless.com - Exercise your communications
> > freedom to make it do what you never thought possible...
> >
>
>
>
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