I know for sure that Cisco Aironet cards (350 series) can do this (on Linux anyway), as well as the popular Atheros chipsets found in some laptops. Prism one's can, and orinoco can with a patched driver.
Rfmon mode works really well on Aironet cards. The only thing you might run into is that the channel hopping code built into Kismet can't make an Airnet card hop channels. It's simple enough to make a script that hops for you though.




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