Linksys WRK54G 4-Port Wireless-G Broadband Router Linksys WRK54G 4-Port Wireless-G Broadband Router General Features: Four (4) Ethernet switch ports One (1) Internet port 802.11g standard 2.4 GHz frequency 128-bit security encryption Standards: IEEE 802.3 IEEE 802.3u IEEE 802.11g IEEE 802.11b Wireless Security: WEP Wi-Fi Protected Access (WPA) Wireless MAC Filtering Security Features: Stateful Packet Inspection (SPI) Firewall