cid11QosExtOptionEnabled 1.3.6.1.4.1.9.10.90.1.1.2.1.1

This object indicates if QoS is enabled on this IEEE 802.11 network interface. If it is 'true', QoS queueing is on and traffic is prioritized according to traffic categories. It it is 'false', there is no QoS queueing and traffic is not prioritized.