High Speed WiFi: Upgrade your devices to higher AC WiFi speeds with up to 600Mbps of speed, 200Mbps on 2.4GHz and 433Mbps on 5GHz. Dual Band Wireless improves your devices to work with the newest dual-band WiFi router for faster speed and greater range. It uses the 2.4GHz and 5GHz bands to provide flexible connectivity. Nano design: You can plug it in and forget it's there thanks to its small, inconspicuous design. Operating System: Mac OS X Advanced Security and Windows 10/8.1/8/7/XP are supported. Encryption standards supported: 64/128-bit WEP, WPA/WPA2, and WPA-PSK/WPA2-PSK