Ultra-Fast Speed - Make full use of your network with Wi-Fi speeds up to 1167 Mbps (867 Mbps on the 5 GHz band and 300 Mbps on the 2.4 GHz band) With Blute-tooth 4.0, AC1200, Standard IEEE: 802.11ac; Operating frequency: 2.4 Ghz/ 5 Ghz Operating System: Windows 11 64-bit* Windows 10 (32/64-bit) Windows 8.1(32/64-bit) Windows 8 (32/64-bit) Windows 7 (32/64-bit) Easy Installation - Plug the adapter into an available PCI-E slot to upgrade your desktop (Both Standard and Low profile brackets included); With high Gain external antenna.