Airlink Wireless N150 PCI Adapter (AWLH5085) Standards: IEEE 802.11b/g/n Interface: PCI 2.0 Frequency Band: 2.4GHz Antenna: 1x Dipole Detachable 5dBi Antenna Security: WPA2/WPA (TKIP & AES), WEP 64/128-bit Based on Wireless N technology, up to 3 times faster than 802.11g