D-Link DWA-582 AC1200 Wi-Fi PCI Express Adapter Frequency Band: 2.4 to 2.5 GHz 5.15 to 5.850 GHz Standards: IEEE 802.11ac/n/g/b Security: WPA / WPA2 WEP (64 / 128 bit) WPS (PBC / PIN) Antenna: Two 4.5 dbi external dipole antennas Color: Black Features: Dual Band Wireless AC technology for less interference and more bandwidth Access a secure wireless network using advanced WPA or WPA2 encryption Easy to install and use with the D-Link Setup Wizard and Wi-Fi Protected Setup (WPS) 2 x 4.5 dBi External Antennas Backwards compatible with 802.11a/b/g/n devices Increased bandwidth, reliability, and functionality over legacy PCI cards PCI Express x1, x4, x8, or x16 support Low Profile Bracket included Dimensions: 4.76 x 0.98 x 3.11 Weight: 0.12 lb.