N600 Wireless Dual Band Gigabit VDSL2/ADSL2+ Modem Router 4 10/100/1000Mbps RJ45 Ports IEEE Standards:IEEE 802.3, 802.3u, 802.3ab Antenna Type:Three 5GHz 5dBi detachable antennas (RP-SMA) Wireless Security:Support 64/128 bit WEP, WPA /WPA2, WPA-PSK/WPA2-PSKWireless MAC Filtering System Requirements:Windows 8/7/Vista/XP or Mac OS or Linux-based operating system