Borja,
Thanks so much for your reply. Ive pasted some output below not sure if this is what youre looking for. The SSID in question is CDT-Red and it is using the "default" High-Throughput SSID Profile which does have HT and VHT enabled.
wlan ssid-profile "CDTRed_ssid"
essid "CDT-Red"
opmode wpa2-tkip
a-basic-rates 12 18 24
a-tx-rates 18 24 36 48 54
g-basic-rates 12 18 24
g-tx-rates 18 24 36 48 54
wlan virtual-ap "CDT-Red"
aaa-profile "CedarAAA_dot1x"
ssid-profile "CDTRed_ssid"
no vap-enable
band-steering
wlan ssid-profile "default"
ssid-profile "CDTRed_ssid"