On Sat, 13 Feb 2016, Dave Täht wrote:

> I have an increasing desire to build (or buy if one exists) a couple
> boxes that can "aircap" packet capture across as many bands as possible,
> in these locations (and elsewhere, if people here are interested)

while they won't do -ac, the wndr3800 is available for <$30 each on ebay, you 
just need a remote disk to stream the capture data to.

the number of channels you can listen to is limited to how many you want to 
have running in a stack :-)

David Lang