NewerTech MAXPower 802.11n/g/b Wireless PCI Adapter Fully Mac OS X supported with with on-screen menu set-up and CD-ROM with user guide, quick installation guide, and user manual Moveable antenna base Advanced security features: 64/128bit WEP, WPA, WPA2 Up to 300Mbps data transmission rate 2 year warranty Up To 4x greater range with MIMO technology Backward compatible with 802.11g/b 32-bit interface fits standard internal PCI card slot IEEE 802.11n draft 2.0 compliant