Up to 300Mbps downlink and 150Mbps uplink faster speed, WS-WNP671N is a Wireless-N PCI Adapter with IEEE 802.11n (draft) compatible that is fully backward compatible with IEEE802.11g/b standards. Therefore, it is an ideal device for home and SOHO networking to share high speed internet connection, files, printers, and multimedia communications with the flexibility, speed and security you need.