The PEX867WAC22 PCI Express AC1200 Wireless Network Adapter lets you add dual-band Wireless-AC connectivity to a desktop computer through a PCIe slot. With increased demand on network resources, this Wireless-AC adapter gives you exceptional speed and range for your office or home wireless network when paired with an 802.11ac router. This dual-band WiFi adapter supports maximum data rates of up to 867 Mbps on the 5GHz band (3x the speed of Wireless-N), plus up to 300 Mbps on the 2.4GHz band, making it the perfect solution for applications like HD video streaming, online conferencing, file transfers and gaming. This versatile PCIe wireless card features a 2T2R (2 transmitter, 2 receiver) detachable antenna design, with an included magnetic antenna stand that can easily be mounted to the top or side of your PC case. Plus, the controller card is equipped with a standard profile bracket and includes a low-profile/half-height bracket for installation in small form-factor computers. To integrate with all of your networking devices, the adapter is also backward compatible with 802.11a/b/g/n networks.