MODE_11NG_HT20
phymode = MODE_11NG_HT20;
phymode = MODE_11NG_HT20;
case MODE_11NG_HT20:
phymode = MODE_11NG_HT20;
case MODE_11NG_HT20:
case MODE_11NG_HT20:
phymode = MODE_11NG_HT20;