Though the SR71-USB does cost more than the WUSB600N (I paid $125 + shipping for mine), I think the aforementioned advantages make it worth the extra cost. (And if you're curious about the exact specs, here they are for the WUSB600N and the SR71-USB.) That can be especially nice for demodulating frames from greater distances when you're looking for interfering WiFi devices. The other advantage of the SR71-USB is that it has a higher transmit power and lower receive sensitivity. Still, it is nice to have the option because if you are using your sniffer to find a rogue AP then you can rig up a directional antenna and track in the direction where the signal is highest. For normal sniffing I actually don't like using directional antennas because they give you a distorted view compared to what a typical station sees. There are MMCX interfaces for both the 2.4 GHz and 5 GHz frequency bands. The biggest advantage is that it has a detachable antenna interface. The SR71-USB is very similar to the Linksys WUSB600N that can be used with WildPackets OmniPeek, but there are a few key advantages. Ever the optimist, I went over to the list of supported adapters on the site hoping for a change and there it was: the Ubiquiti SR71-USB. While I was on the AirMagnet site last week downloading some license updates for a couple of classes that I manage I noticed that version 8.6 of AirMagnet WiFi Analyzer was now available.
#Airmagnet site survey across both bands Pc#
AirMagnet had the AirMagnet PC Card, but it's not very versatile (only works w/ AM not USB form factor). Wireshark may have the AirPcap NX, but it's expensive ($699). The Linksys WUSB600N is a dual-band 802.11n USB adapter that is cheap (about $75) and versatile sniffing any type of 802.11a/b/g/n traffic.
Another, though admittedly less important, reason is that they have had (at least until now) the best adapter support. One reason is that it's a great product with tons of way to manipulate sniffed WiFi frames in order to get the statistical information you need. If you've read this blog before (or if you've just looked at the About Me over there on the left), you know that I'm a big fan of WildPackets OmniPeek for WiFi sniffing. Now Fluke Networks has released AirMagnet WiFi Analyzer 8.6, which supports the Ubiquiti SR71-USB dual-band 802.11n USB adapter.
#Airmagnet site survey across both bands full#
Up until recently, however, you pretty much had to have a laptop with a PC card slot if you were going to use it to it's full potential.
AirMagnet WiFi Analyzer has long been one of the premier WiFi sniffers.
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