WiFi and Ethernet Router 2TB server-grade hard disk drive Interfaces: One Gigabit Ethernet WAN port for connecting a DSL or cable modem Three Gigabit Ethernet LAN ports for connecting computers USB port for connecting a USB printer or USB external hard drive 802.11n wireless WiFi and Ethernet Router Length: 20 cm Width: 20 cm Height: 3.6 cm Security: Wi-Fi protection WPA/WPA2 Wireless security (WEP) configurable for 40-bit and 128-bit encryption MAC address filtering NAT firewall Support for RADIUS authentication 802.1X, PEAP, LEAP, TTLS, TLS, FAST Time-based access control