Rosewill Wireless Dual Band Adapter IEEE 802.11a/b/g/n USB 2.0 Up to 300+300Mbps Wireless Data Rates (RNX-N600UBE) Supports 2.4GHz up to 300mbps or 5GHz up to 300mbps for blazing fast network access Detachable 4dBi High Gain Antenna for Greater Coverage 64/128/152 bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES); WPS button; Cisco CCX5.0 to ensure the security of your wireless network