Rosewill RNWD-N9003PCE Wireless N Dual Band Adapter get connected to your PCI Express enabled PC easily and securely. After that enjoy smooth video playback with 5 GHz channel and do general network related task with 2.4 GHz channel. Complying with IEEE802.111 a/b/g/n technology, Rosewill N900PCE Wireless Dual Band PCIE Card supports up to 2.4 GHz at 450 Mbps and 5 GHz at 450 Mbps simultaneously. N900PCE supports WPA/WPA2 to ensure the security of your wireless network while you enjoy the intensive multi-media streaming.