Plug the Archer T2U Nano AC600 Wireless Dual-Band USB Adapter from TP-Link into your compatible Windows or Macintosh computer to give it access to 2.4 GHz or 5 GHz Wi-Fi networks. The adapter is engineered to support the Wi-Fi 5 (802.11ac) protocol, but is backwards compatible with earlier protocols. On a 2.4 GHz network it can support speeds up to 300 Mb/s, and up to 433 Mb/s on 5 GHz networks. High Speed WiFi – Up to 600 Mbps speeds with 200 Mbps on 2.4 GHz and 433 Mbps on 5 GHz. Upgrades your devices to higher AC WiFi speeds* Dual Band – 2.4 GHz and 5 GHz band for flexible connectivity, upgrade your devices to work with the latest dual band WiFi router for faster speed and extended range. Nano Design – Small, unobtrusive design allows you to plug it in and leave it in Operating System – Supports Windows 11/10/8.1/8/7/XP and Mac OS X ** Advanced Security – Supports 64/128-bit WEP, WPA/WPA2, and WPA-PSK/WPA2-PSK encryption standards