My main concern for a wifi chip is not the speed. On top of the list I would place the power consumption, then the features (suspend, WoWLAN, monitoring mode, D

My main concern for a wifi chip is not the speed. On top of the list I would place the power consumption, then the features (suspend, WoWLAN, monitoring mode, DTLS, DFS, CSA, etc...) and then the speed. For the two first points, having an Open Source firmware helps a lot.