D-Link DI-604 - 4-Port Cable/DSL Router $24.99

Buy.com has the D-Link DI-604 - 4-Port Cable/DSL Router for $24.99

The DI-604 combines the latest advancements in chip technology, low-cost design and manufacturing with new, feature-rich firewall and network management controls to give you quite possibly the most advanced, yet affordable Ethernet router to date. The Cable Diagnostic Utility feature is the latest utility included in the DI-604 for diagnosing cable connection problems with the wired Ethernet cable. This feature can indicate to users which Ethernet cable connected to the router has problems, identifying where and what the problem is.