Apple Airport Express Kit

IEEE 802.11a/b/g/n
Simultaneous dual-band 2.4GHz and 5GHz
Radio output power: 20.5 dBm maximum
Channels 1-13, 36-64, and 100-140

Interoperable with 802.11a, 802.11b, 802.11g, and 802.11n-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, SNMP, IPv6 (6to4 and manual tunnels)

Wi‑Fi Protected Access™ (WPA/WPA2)2
WPA/WPA2 Enterprise2
Wireless security (WEP) configurable for 40-bit and 128-bit encryption
MAC address filtering
NAT firewall
802.1X, PEAP, LEAP, TTLS, TLS, FAST
Time-based access control