h3cDot11RadioElementRadioIndex 1.3.6.1.4.1.43.45.1.10.2.75.12.1.2.1.3

This object represents the index of the radio element. On AC, the higher 24 bits stand for the AP index, and the last 8 bits stand for the radio index. On fat AP, the index stands for the interface index of radio interface.