Not sure what's wrong with your network? Before you buy an expensive replacement router or cable modem, test your cables! If the wires are broken (and you know how those cables get snaked around the house) the tester will detect it. If you make your own patch cables and want to test that the wires a...

Features: Following are abnormal connections: If one cable, for example cable NO.3 is open circuited, the two NO.3 lights of the main tester and remote tester will not turn on. If several cables are not connected, several lights will not turn on respectively. If less than two cables are connected...