Airlink101 AR420W Super G 108Mbps 802.11g Wireless Router Compatible with IEEE 802.11b/g supporting up to 11/54/108* Mbps WPA or WEP encryption and built-in SPI + NAT firewall Special protocol for faster priority bandwidth (QoS, IGMP) Controls and limits a computer's time on the Internet Built-in 4-port 10/100 Mbps switch