The AirPort Extreme was a wireless base station that combined the functions of a router, network switch, wireless access point, Network-Attached Storage (NAS), and other functions. The AirPort Extreme Base Station Generation 2 was released in 2007 with a white, rounded-rectangle design that was similar to the look of the first-generation Mac mini and original Apple TV.
The The AirPort Extreme Base Station measured 6.5 inches square, 1.3 inches tall, and weighed 1.66 pounds. It supported 802.11a/b/g and Draft 802.11n2 wireless network protocols. Ports included one Gigabit Ethernet WAN port (for connecting a DSL or cable modem), three Gigabit Ethernet LAN ports (for connecting computers or network devices), and one USB port (for connecting a USB printer or USB external hard drive).