cd11IfRfFrequencyBandType 1.3.6.1.4.1.9.9.272.1.1.2.15.1.8

This is the enumerated radio frequency band name(s) which this (sub)band occupies. If the frequency band defined in a table row is not included in the current CDot11RadioFrequencyBandType definition, none of the bits are set for this object.