TP-Link Archer T4E AC1200 Wireless Dual Band PCI Express Adapter • Easy Installation – Plug the adapter into an available PCI-E slot to upgrade your desktop • High Speed Wi-Fi – Up to 1200 Mbps Wi-Fi speeds (867 Mbps on 5 GHz band and 300 Mpbs on 2.4 GHz band) • 802.11ac Dual Band – 3 times faster than the 802.11n standard, perfect for high-intensity network usage • Beamforming – Wi-Fi signals are strengthened towards certain direction where client exists • Multiple-Size Brackets – Low profile and full heigh brackets are both provided, suitable for all PCs • 2×2 MIMO – Users can easily access to high-speed wireless connection • Broad Wireless Range – Two external antennas ensure greater Wi-Fi coverage and enhanced stability