[GLLUG] NM-Applet vs. Wifi-Radar?

Karl Schuttler rexykik at gmail.com
Thu Oct 4 14:39:57 EDT 2007


I stand corrected.

You could try making some tin foil parabolic reflectors if your card
has one of the little antennas.

On 10/4/07, Charles Ulrich <charles at bityard.net> wrote:
> By "boost the gain" I assume you mean "increase the transmit power of
> the router's radio." The only way to modify the router's gain is by
> hacking the RF circuitry or using a different antenna.
>
> Anyway, it's a common misconception that increasing the transmit power
> of the router will help with wifi link quality. From an FAQ on the
> OpenWRT forums:
>
> Q: How can I increase the transmit power to extend my range?"
>
> A: The transmit power on the AP isn't the problem. Increasing the
> transmit power will give you a stronger signal on the client and make
> you think you have extra range, but the client itself is still
> transmitting with the same power, limiting the effective range.
> Additionally, turning up the transmit power increases the background
> noise and your signal starts to bleed into the neighbouring channels,
> decreasing the range and throughput of any other APs in the area. Your
> best solution is to get a better set of antennas.
>
>
> Also, I've heard of people burning  up the radios on the router by
> cranking the transmit power.
>
> Charles
>
>
> On 10/4/07, Karl Schuttler <rexykik at gmail.com> wrote:
> > I would just install openwrt and boost the gain.
> >
> > On 10/4/07, Jordan Robison <jordan.robison at gmail.com> wrote:
> > > I have used WiFi-Radar I thought it worked great but the only thing I did
> > > not like about it was every time I wanted to connect to a wireless network
> > > WiF-Radar asked me to enter a password to start the program which at first I
> > > thought it was nice but after about a month or so I found it to get
> > > irritating.
> > >
> > >
> > > On 10/4/07, Benjamin Cathey
> > > <benjamincathey at catheycompany.com> wrote:
> > > > Anyone have an opinion here?  I have never used Wifi-Radar.  But, as I
> > > expressed earlier, I am having problems with a range expander not working
> > > with linux (although it works fine with windows) - I assume it's something
> > > like a lease in the NM-Applet (the Gnome wireless Manager.)  And to answer
> > > the question of can't I just run cat5 - well then what's the point of
> > > wireless to begin with right?
> > > >
> > > > I use my laptop on our porch (enclosed porch) and it's at the opposite
> > > corner of the house.  I only get about 10% signal strength there without the
> > > range expander.
> > > >
> > > > So - has anyone used both of these and have preferences?  I know what
> > > NM-Applet is like.  It APPEARS that NOTHING allows you to actually scan and
> > > visually see available networks (as in the IBM app for windows where I can
> > > actually see my SSID twice, one with a higher signal strength.)
> > > >
> > > > Thanks,
> > > >
> > > > Benjamin Cathey
> > > > System Administrator
> > > > Cathey Company
> > > > 4917 Tranter St.
> > > > Lansing, MI 48910 USA
> > > > Phone:     517.393.4720
> > > > Fax:       517.393.4225
> > > > Toll Free: 800.333.1972
> > > > "Service is Our Profession"
> > > >
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> > >
> > > --
> > > Jordan Robison
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