Apple A1521 AirPort extreme base station

The Apple A1521 airport extreme base station is a wireless router. The router is designed to provide wireless networking capabilities, allowing users to set up a Wi-Fi network in their homes or offices. It supports the 802.11ac Wi-Fi standard, offering fast and reliable wireless connectivity. The router typically includes features such as dual-band support, multiple antennas for improved range and performance, and a variety of ports for wired connections. It can be used to connect devices such as computers, printers, and network-attached storage (NAS) devices to a local network.

The router's technical details:

• Wireless:
  • IEEE 802.11a/b/g/n/ac
  • Six-element beamforming antenna array
  • Simultaneous dual-band:
    • 2.4GHz
    • 5GHz
  • Radio output power:
    • 32.5dBm maximum (varies by country)
  • Channels approved for use in the United States and Canada:
    • 1-11
    • 36-116
    • 132-140
    • 149-165
  • Channels approved for use in Europe and Japan:
    • 1-13, 36-64
    • 100-140
  • Channels approved for use in Australia, Hong Kong, and New Zealand:
    • 1-13
    • 36-64
    • 149-165
• Compatibility:
  • Interoperable with following standards:
    • 802.11a
    • 802.11b
    • 802.11g
    • 802.11n
    • 802.11ac-enabled Mac computers
    • iOS devices
    • Apple TV
    • Windows-based PCs, and other Wi-Fi devices
  • NAT
  • DHCP
  • PPPoE
  • VPN Passthrough (IPSec, PPTP, and L2TP)
  • DNS Proxy
  • IPv6 (6to4 and manual tunnels)
• Security:
  • Wi‑Fi Protected Access™ (WPA/WPA2)2
  • WPA/WPA2 Enterprise2
  • MAC address filtering
  • NAT firewall
  • 802.1X
  • PEAP
  • LEAP
  • TTLS
  • TLS
  • FAST
  • Time-based access control
• Interfaces:
  • Simultaneous dual-band 802.11ac wireless
  • Gigabit Ethernet WAN port for connecting a DSL modem
  • Cable modem
  • Ethernet network
  • USB 2 port for connecting a USB printer or hard drive3
  • Three Gigabit ethernet LAN ports for connecting a computer
  • Ethernet hub
  • Networked printer
  • Built-in power supply
• Number of Users:
  • 50
• Electrical and environmental requirements:
  • 100...240VAC, 50...60Hz
  • Input current:
    • 1.5A
  • Operating temperature:
    • 0...+35°C
  • Relative humidity (operating):
    • 20%...80%, noncondensing
  • Operating altitude:
    • Tested up to 3000m
  • Maximum storage altitude:
    • 4500m
• Agency Approval:
  • FCC Part 15 Class B
  • Canada RSS-210
  • EN 300-328
  • EN 301-489
  • EN 301 893
  • ARIB STD-T66
  • RCR STD-T33
  • AS/NZS 4268: 2003
  • UL 60950
  • CSA-C22.2 No. 60950
  • GB 4943.1-2011
• System requirements:
  • Setup and administration:
    • iPhone
    • iPad
    • iPod touch with iOS 6 or later and AirPort utility 1.3
    • Mac with OS X Lion v10.7.5 or later and AirPort Utility 6.3
  • Wireless device access:
    • Any Wi‑Fi-enabled device that uses the 802.11a/b/g/n/ac specification
  • Shared printing with a USB printer:
    • USB printer
    • Mac with OS X v10.2.7 or later
    • PC with Windows XP (SP3), Windows Vista (SP2), Windows 7 (SP1), or Windows 8
  • Shared USB hard drive:
    • Mac with:
      • OS X v10.4.8 or later
    • PC with:
      • Windows XP (SP3)
      • Windows Vista (SP2)
      • Windows 7 (SP1)
      • Windows 8