WickedHD PCI 300Mbps 300M 802.11b/g/n Wireless WiFi Card Adapter for Desktop PC Type of Interface: PCI.Data link protocol: IEEE 802.11n Connectivity technology: Wireless.Data transfer rate: 150/300Mbps Antenna: Detachable.Operating System Support: Mac, Windows 2000, Windows XP, Windows 7, Windows Vista32/64, Linux Frequency band: 2.4 GHz.Encryption algorithm: 64/128-bit WEP, TKIP, WPA "WickedHD" is a Registered US Trademark Serial Number 86101580.