D-Link DI-624S Wireless Router w/ 2 USB Port, 802.11g, 108Mbps, 4 LAN Ports Includes a 60-day free trial for Trend Micro PC-cillin Internet Security software. Dual firewall functionality, with both Network Address Translation (NAT) and Stateful Packet Inspection (SPI) technology. A built-in Cable Tester utility can detect and troubleshoot physical Ethernet cable problems. A built-in Cable Tester utility can detect and troubleshoot physical Ethernet cable problems.