... 802.11/b/g USB interface mini card module UG5681 1.seamless roaming, 2.fully interoperability, 3.advanced security, -------------------------------------------------------------------Features: Compatible with IEEE 802 ... WPA/WPA2, WPA-PSK/WPA2-PSK and IEEE 802.1X standard for security. Allow auto fallback data ... Support AES, TKIP, WPA, IEEE 802.1x and CCX. Comply with 802.11e. Support WMM and WMM power ...