Apple MB053LL/A AirPort Extreme Base Station Three Gigabit Ethernet LAN ports for connecting computers or network devices Wireless networking router based on the 802.11n draft standard Interoperable with Wi-Fi Certified 802.11a, 802.11b, and 802.11g Mac computers and Windows-based PCs Up to 5 times faster and twice the range of 802.11g routers USB port turns external hard drives, printers, and other devices into network resources