Linksys AC1200 Dual-Band Wireless USB 3.0 Adapter Upgrade your laptop or desktop to Wireless-AC Lightning-fast HD Video and Gaming Up to 867 Mbps speed on Wireless-AC 5 GHz band or Up to 300 Mbps speed on Wireless-N 2.4 GHz band Compatible with all Wireless AC 802.11ac routers, access points and extenders (Linksys, Belkin and others) Supports up to 128-bit encryption (WEP, WPA and WPA2) Easy to use CD setup wizard and compatible with Microsoft Windows 8, 7, Vista SP1/SP2 and XP SP3 Support WPS (Wi-Fi Protected Setup) button for easy connection with wireless router or wireless access point USB 3.0