ASUS RX3041 B, Ethernet WAN, Fast Ethernet ASUS RX3041 B. Networking standards: IEEE 802.1x, IEEE 802.3, IEEE 802.3u, Ethernet interface type: Fast Ethernet, Cabling technology: 10/100Base-T(X). Security algorithms: 128-bit WEP, 64-bit WEP, WPA, WPA-PSK, WPA2, WPA2-PSK, Firewall security: Network address translation (NAT) firewall, Stateful packet inspection (SPI) firewall. LED indicators: LAN, Power, Status, WAN. AC input voltage: 100 - 240 V, AC input frequency: 50 - 60 Hz. Width: 168 mm, Depth: 124 mm, Height: 30 mm