Symbol: IFM_IEEE80211_HT_MCS21
sys/net/if_media.h
671
{ IFM_IEEE80211|IFM_IEEE80211_HT_MCS21, "HT-MCS21" }, \
sys/net/if_media.h
886
{ IFM_IEEE80211|IFM_IEEE80211_HT_MCS21, IF_Mbps(156) }, \