Tp-link archer t4e dual band wireless ac1200 pci-e adapter • ac1200 wireless dual band pci express adapter archer t4e • 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 mbps 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 a certain direction where client exists • multiple-size brackets – low profile and full height brackets are both provided, suitable for all pcs • 2×2 mimo – users can easily access a high-speed wireless connection • broad wireless range – two external antennas ensure greater wi-fi coverage and enhanced stability