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I want to find out if wireless interference is causing any problems with my wireless networks. I remember seeing a piece of software that let you see what networks where in range and where they fell in the spectrum, aswell as any other sources.

Anyone know a way/a piece of software that can do this?

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up vote 6 down vote accepted

inSSIDer by Metageek was recommended in a recent PC Pro article and the hardware device Wi-Spy looks good for more advanced troubleshooting.

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If you're dealing with 2.4GHz, get the Wi-Spy. There are plenty of non-802.11 interferers in 2.4, thus invisible to Wi-Fi network scanners like InSSIDer. – Spiff Mar 30 '10 at 15:43
@Spiff and Cowen: would you guys know of any similar software for mac? – cregox Mar 31 '10 at 23:44
@Cawas, you could ask that as a real Question and we could all get reputation points for it! :-) The airport command-line tool is built-in to Mac OS X, and it has a -s option to scan. "/System/Library/PrivateFrameworks/Apple80211.framework/Resources/airport -s". GUI tools include iStumbler, KisMAC, and several Dashboard and Yahoo ! (Konfabulator) widgets. – Spiff Apr 1 '10 at 0:58
@Cawas, did you see covering Kismet and KisMAC? – Martin Apr 1 '10 at 16:27
@Spiff ok, all of you are welcome to answer it then:… ;) – cregox Apr 1 '10 at 19:30

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