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. 2-year limited warranty. Black.