How can I check to see if my (rooted) android device has a wireless card that supports either monitor mode or promiscuous mode?
Unfortunately you need root to be able to do that, despite you saying it, but thought it would be useful to leave that in here for others :)
All modern wireless
When you issue the binary command ifconfig there's a 'promisc' switch to tell it to go into promiscuous mode to enable monitoring/sniffing.
Well if you are running Linux, any of these commands could do it for you. The first one should work, though, this one works for my phone.
Type these in the command prompt:
If you don't know which one of these commands is right for your phone, computer or laptop, type in
If you're new to Linux, consider these commands: