TP-Link AC1900 WiFi PCI-Express Wireless Network Card | Beamforming Technology (Archer T9E) TP-LINKs Archer T9E comes with the next generation Wi-Fi standard  802.11ac, 3 times faster than wireless N speed. The 5GHz 1300Mbps is perfect for HD video streaming and lag-free online gaming, while using 2.4GHz 600Mbps Wi-Fi for normal use such as web surfing. Adapter Support IEEE 802.11ac, WPA, WPA-PSK, WPA2, WPS The 5GHz 1300Mbps is perfect for HD video streaming and lag-free online gaming, while using 2.4GHz 600Mbps Wi-Fi for normal use such as web surfing.