Item description for Apple AirPort Extreme Base Station Model A1408

Wireless protocols: IEEE 802.11a/b/g/n.
Frequency bands: 2.4GHz and 5GHz simultaneously.
Wireless speed: 6.75Mbps.
Interoperable with Wi-Fi Certified 802.11a, 802.11b, 802.11g, or 802.11n enabled Mac computers, iPad, iPhone, iPod touch, and Windows-based PCs.
NAT, DHCP, PPPoE, VPN Passthrough (IPSec, PPTP, and L2TP), DNS Proxy, SNMP, IPv6 (6to4 and manual tunnels).
One Gigabit Ethernet WAN port for connecting a DSL or cable modem.
Three Gigabit Ethernet LAN ports for connecting computers or network devices.
USB 2.0 port for connecting a USB printer or USB external hard drive.