TP-LINK's Archer T4UH comes with the next generation Wi-Fi standard - 802.11ac, 3 times faster than wireless N speeds. With 867Mbps wireless speeds over the crystal clear 5GHz band or 300Mbps over the 2.4GHz band, the Archer T4UH is the superior choice for seamless HD streaming, online gaming and other bandwidth-intensive tasks. Frequency Range: 5GHz and 2.4GHz; Interface Available: USB 3.0; System Requirement: Windows 8.1 (32/64bits) Windows 8 (32/64bits) , Windows 7 (32/64bits) Windows XP(32/64bits) , Mac OS X 10.7~10.10 Linux; Wireless Standards: IEEE 802.11ac IEEE 802.11a , IEEE 802.11n IEEE 802.11g IEEE 802.11b