Wireless Standard IEEE 802.11: n, b, g, a, ac; Maximum data transfer speed: 867 Mbps; Frequency range: 2.4 - 5 GHz; Antenna type: external/detachable; Number of antennas: 2; Privacy: WEP, 802.1x, WPA-PSK, WPA2-PSK; Interface: PCI-E; Width: 120.8 mm; Height: 21.5 mm; Weight: 115.2 g; {4499 Support: %s; }Optional: Ad-Hoc / Infrastructure modes; Power: 20 dBM;