TP-Link Archer T9UH AC1900 High Gain Wireless Dual Band USB AdapterProduct Features : * Ultimate Wi-Fi Speed – AC1900 (600Mpbs on 2.4GHz band or 1300Mbps on 5GHz band) wireless speed with the next generation Wi-Fi - 802.11ac* * Dual Band Wireless – 2.4GHz and 5GHz band for flexible connect..