AC1200 Wireless Dual Band PCI Express Adapter 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 Beamforming 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