https://blogs.arubanetworks.com/industries/understanding-802-11-state-machine/
| Unauthenticated and Unassociated | = Idle phase client is actively looking for a network to join or or passively listening to beacons from APs | Clients in this state are passing Class 1 frames |
https://www.mist.com/documentation/wifi-basics-3-wifi-state-machine/
...