Spectrum? It Damn Near Killed 'Em
When I wrote a blog post recently extolling the virtues of WiFi protocol analysis, I expected some blowback. Not because WiFi protocol analysis won't help performance (only a Garo falo -ian fool would assert that it won't), but because I touted protocol analysis at the expense of spectrum analysis. Well, it's time to make amends. Spectrum analysis is pretty darned useful, too. And the spectrum analyzer that I use ( Metageek's WiSpy DBx with Chanalyzer ) underwent a notable update in recent months. Here, then, is an update on Chanalyzer and a reminder of what spectrum analyzers can be useful for. For quite some time Metageek's spectrum analysis suite (consisting of the WiSpy USB adapter and the Chanalyzer software application) has been the thrifty man(and woman)'s tool of choice for analyzing WiFi frequencies. The original Metageek WiSpy (a 2.4 GHz-only device without an external antenna interface) was a $100 (all prices in USD) USB adapter and ...