Belkin Wireless N Router + 4-Ports (Older Generation) Wireless standards: IEEE 802.11n draft 2.0; IEEE 802.11g; IEEE 802.11b; IEEE 802.3u; IEEE 802.3 Ports: 4x computer/device ports (RJ-45), 1x modem port (RJ-45) Operating range: Up to 1200 feet Link rate: Up to 300 Mbps in 40 MHz channel mode System requirements: Broadband Internet connection with RJ45 (Ethernet connection); at least one computer with an installed network interface card; TCP/IP networking protocol installed on each computer; Internet browser System requirements for software: Windows XP/Vista, Mac OS X v10.4 or v10.5; 64 MB RAM minimum; Internet browser (Internet Explorer 6.0+, Firefox 1.0+, or Safari 2.0+) Strong network security includes WPA, WPA2, WPS, and 64- and 128-bit WEP Four 10/100 Mbps Ethernet ports built-in