[MLB-WIRELESS] WRT54G Bulk Buy - cheaper again!

[Dan Flett]

Hi Nick,

The default tx power of the WRT54G is 15dBm (30mW) although it can be
increased to 84mW (19.4dBm) - according to
http://www.seattlewireless.net/index.cgi/LinksysWrt54g
However increasing the power to this level has a history of frying the
radio after a couple of months.  Apparently it can be increased to 50 or
60mW safely (60mW = 18dBm = Minitar power output)
The receive sensitivity is unconfirmed but listed on the above page as
-80dB for 11mbps, which is fairly standard for a 30mW radio.  I would
assume that boosting the output power does *not* also increase the
receive sensitivity.
Note that I've not seen the receive sensitivity of the Minitar AP
published anywhere, and I suspect that it is rather deaf.

Here's a link to a homebrew outdoor enclosure for the WRT54G
http://www.sveasoft.com/modules.php?name=SveasoftArticles&op=SveaReadArt
icle&id=1
and ensuing discussion
http://www.sveasoft.com/modules/phpBB2/viewtopic.php?t=2417

Dimensions of the plastic case are on the Seattle Wireless site above
(in inches).  At a rough guess I'd say a WRT54G seems to be about as big
as two Minitars placed back to back (with their Ethernet ports facing
each other).

Dan

> -----Original Message-----
> From: owner-melbwireless at wireless.org.au [mailto:owner-
> melbwireless at wireless.org.au] On Behalf Of Nick Sibbing
> Sent: Wednesday, 23 June 2004 9:49
> To: dflett at bigpond.net.au; melbwireless at wireless.org.au
> Subject: Re: [MLB-WIRELESS] WRT54G Bulk Buy - cheaper again!
> 
> Gday Dan
> Keep up the good work! I was about to buy 3 more minitars but the
> WRT54Gs look tempting. I'm after a bit of info to be sure I'm on the
> right track.
> 
> I already have a basic mast and 2 sets of cat5 and heavy wire (easier
> for me than PoE)running out through my roof into a sealed Jaycar
> aluminium box. I plan to have 3 APs in the box. (if I build it they
will
> come?)
> 
> I hope by having 3 identical 12v units that I can run them with just 2
> power supplies and avoid having to run another 12v power cable and put
> more cable glands in the box. If I can use unused pairs in ethernet to
> avoid running more Cat5? that would be great.
> 
> What is the physical size of the WRT54Gs compared to the minitars?
> How do the recieve sensitivites and transmit power compare?
> 
> The equation for me is 3 more minitars versus 4 WRT54Gs (I already own
> one minitar)
> 
> I understand that the WRTs are 802.11g but I think that they will
mostly
> run at the 802.11b speeds anyway as my area has difficult
terrain/trees.
> Any connection at lower speed better than no connection at higher.
> 
> Any advice from you all much appreciated.
> 
> Regards Nick
> 
> 
> Dan Flett wrote:
> > Oops! The price for the WRT54G is actually $125.  Throats were being
cut
> > a little too deeply there... hehe.
> 
> > > Interested buyers please contact me at
> > dflett_at_bigpond_dot_net_dot_au.
> 
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