Xincom XC-DPG503 Twin WAN VPN Gateway WAN: 2-Port 10/100 Mbps RJ45 Auto MDI/MDIX; 802.3/802.3U LAN: 4-port 10/100Mbps RJ45 Auto-MDI/MDIX; 802.3/802.3u Security: NAT, SPI Firewall, Admin Passwords, Authentication with UPAP and CHAP for PPPoE Load Balance and Backup: Outbound load balance by bytes, packet, session and IP address. Auto backup connection Throughput: over 44 Mbits/sec