The Apple AirPort Extreme 4th Generation is a wireless router that was designed, manufactured, and sold by Apple from 2009 to 2011 as part of the AirPort Extreme series. The AirPort has been introduced on October 20, 2009, and its price started at $179.
The new AirPort Extreme features a Gigabit Ethernet (10/100/1000BASE-T), maximum speed has been increased up to 540 Mbps, compatibility with 802.11a/b/g/n protocols, guest networking, three LAN ports, the possibility to connect up to 50 devices, and Dual-band operation on 2.4 GHz and 5 GHz simultaneously.
The new AirPort Disk feature allows users to plug a USB hard drive into the AirPort Extreme for use as network-attached storage (NAS) device for Mac OS X and Microsoft Windows clients. Users may also connect a USB hub and printer.
AirPort Extreme was updated with simultaneous dual-band 802.11n capability, remote AirPort Disk accessibility through Back to My Mac, and the ability to broadcast a guest network at the same time as an existing network. Introduced antenna improvements in this version resulting in wireless performance gains of both speed and range.
This AirPort Extreme has been discontinued on June 21, 2011.
Today AirPort Extreme 4th Generation is 13 years old!

AirPort Extreme 4th Generation Release Date and Original Price
Introduced | October 20, 2009 |
Discontinued | June 21, 2011 |
Model Number | A1354 |
Order Number | MC340LL/A |
Original Price | $179 |
Weight | 1.66 Ibs. 752 Grams |
Dimensions | 1.3″ D x 6.5″ H x 6.5″ W 3.3 cm D x 16.51 cm H x 16.51 cm W |
Wireless
Wireless Data Range | 200 – 540 Mbps |
Compatibility | Wi-Fi (802.11a/b/g/n) |
Frequency | 2.4 GHz or 5 GHz simultaneously |
Radio Output Power | 20 dBm (nominal) |
Security | WPA WPA2 WEP (40-bit or 128-bit encryption) |
Capacity | 50 users |
MIMO Config | 3×3:3 |
Supported Protocols | NAT DHCP PPPoE VPN Passthrough (IPSec, PPTP, and L2TP) DNS Proxy SNMP |
Connections
Ports | 4 – Ethernet (10/100/1000BASE-T) 1 – USB |
Storage | None |
AirPlay | No |
Power over Ethernet | No |
References:
Apple Support – AirPort Extreme 802.11n (4th Generation): Technical Specifications