Supports Microsoft Windows 10, 7, 8, XP, Vista 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 Supports up to 128 bit encryption Linksys WUSB6300 Dual Band Wireless AC1200 Adapter - WUSB6300-EJ. USB Wireless WIFI Network Adapter, Dual-Band wireless USB 3.0 for PC, 1.2Gbps AC1200, Supports Microsoft Windows 10, 7, 8, XP, Vista . 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)- Comes with Linksys Seal.