Lb-Link Wireless Usb Adapter-150Mbps. Supports 64/128bit WEP, WPA-PSK /WPA2-PSK and WPA/WAP2 encryption methods. Supports ：IEEE 802.11g，IEEE 802.11b，IEEE 802.11n standards 20MHz/40MHz bandwidth Supports two operation modes: Ad-Hoc and Infrastructure modes Automatically detect network status and transmission rate Supports WPS one- key encryption to quickly protect wireless network safer Supports roaming to ensure the efficient connection of wireless Supports WMM, which makes voice and video process play smoothly Simple installation and configuration, plug and play, very convenient.