TP-LINK's Archer T4U comes with the next generation Wi-Fi standard – 802.11ac, with transfer rates 3 times faster than wireless N speeds. Experience blazing speed data transfers of up to 4.8Gbps with USB 3.0- the latest USB standard, which is up to 10X speed of USB 2.0. With high-speed USB 3.0, Archer T4U breaks through the low-speed USB 2.0 limitation for 802.11ac high-speed experience. The T4U's 5GHz band at 867Mbps is perfect for HD video streaming and lag-free online gaming, while its 2.4GHz 400Mbps Wi-Fi can be used for normal use such as web surfing with legacy devices. For better performance, use the T4U with TP-LINK's Archer series 11ac router. Archer T4U equipped with the extension cable, which extend the USB connection length, making it more convenient to plug the USB device in & out of the USB socket.