The periodic beacon has all that info. In this[0] example you'll see the "Transmit Beamforming" field has a hex value of all zeros. Which either means unsupport

The periodic beacon has all that info. In this[0] example you'll see the "Transmit Beamforming" field has a hex value of all zeros. Which either means unsupported or it is completely implicit. [0] https://mrncciew.files.wordpress.com/2014/10/cwap-ht-ie-17.png https://mrncciew.files.wordpress.com/2014/10/cwap-ht-ie-17.p...