. TP-LINK's Archer T2U comes with the next generation Wi-Fi standard - 802.11ac 3 times faster than wireless N speeds. With 433 Mbps wireless speeds over the crystal clear 5 GHz band or 150 Mbps over the 2.4 GHz band the Archer T2U is the superior choice for seamless HD streaming online gaming and other bandwidth-intensive tasks.. TP-LINK's Archer T2U is a dual band USB Adapter that provides selectable 5 GHz and 2.4 GHz bands for the latest standard and backward compatibility to existing Wi-Fi network. It gives users the ability to access crystal clear 5 GHz connections to upgrade their notebook or PC's wireless capabilities while ensuring that they can still access legacy 2.4 GHz band wireless networksKey Product Info . 600 Mbps wireless speed with 802.11acA tiny way to get speedy next generation Wi-Fi connectionsSelectable dual band connections for lag-free HD video streaming and gaming Product Features 802.11ac - the next generation of WiFiTP-LINK's Archer T2U comes with the next generation Wi-Fi standard - 802.11ac 3 times faster than wireless N speeds. With 433 Mbps wireless speeds over the crystal clear 5 GHz band or 150 Mbps over the 2.4 GHz band the Archer T2U is the superior choice for seamless HD streaming online gaming and other bandwidth-intensive tasks. AC600 wireless speedThe 5 GHz 433 Mbps is perfect for HD video streaming and lag-free online gaming while using 2.4 GHz 150 Mbps Wi-Fi for average use such as web surfing. The best of both bandsTP-LINK's Archer T2U is a dual band USB Adapter that provides selectable 5 GHz and 2.4 GHz bands for the latest standard and backward compatibility to existing Wi-Fi network. It gives users the ability to access crystal clear 5 GHz connections to upgrade their notebook or PC's wireless capabilities while ensuring that they can still access legacy 2.4 GHz band wireless networks. WPA/WPA2 encryptions - advanced securityThe T2U provides WPA/WPA2 encryptions created by the WI-FI Alliance promoting interoperability and security for WLAN which effectively and efficiently protects the wireless network.