"Apple AirPort Extreme Spec"

Wireless Protocols

• IEEE 802.11a/b/g/n

Frequency Bands

• 2.4 GHz and 5 GHz simultaneously

Compatibility

• 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)

Size and Weight

• 6.5 x 6.5 x 1.3 inches (LxWxH)
• 1.66 pounds

Interfaces

• 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
• 802.11n wireless

Security

• Wi-Fi Protected Access (WPA/WPA2)
• Wireless security (WEP) configurable for 40-bit and 128-bit encryption
• MAC address filtering
• NAT firewall
• Support for RADIUS authentication
• 802.1X, PEAP, LEAP, TTLS, TLS, FAST
• Time-based access control

	Airport Extreme 802.11N (5TH GEN) Apple $172.36
	Apple AirPort Extreme Base Station (Simultaneous Dual-Band) (MC340LL/A) Apple
	Apple Airport Express MB321LL/A [NEWEST VERSION] Apple $99.00
	Apple AirPort Extreme Base Station MB053LL/A [OLD VERSION] Apple $199.99

Source :
http://amzn.to/KrA2Kq