hwSecurityWepDot1xMode 1.3.6.1.4.1.2011.6.139.11.1.22.1.40

This object indicates that the WEP DOT1X key mode is wep40, wep104 or wep128. bit0~bit3:key0;bit4~bit7:key1;bit8~bit11:key2;bit12~bit16:key3.0:invalid;1:wep40;2:wep104;3:wep128.