Due to a recent “snafu” with my Omnipeek licensing, I was on the hunt for multi-channel packet capture alternatives. I believe these two options are currently the best and easiest way, to do this on Windows.
Yes, you can do this with the Ekahau Sidekick, but a.) it requires a Sidekick, and 2.) you can really only do two channels (any more and the two internal NICs start channel hopping). Below are the items you'll need.