MANHATTAN 4-In-1 Cable Tester RJ-11, RJ-45, USB and BNC (351911) Tests 4 types of cables: RJ11/45/USB/BNC Simple one button test Tests patch cables and installed wiring 600 ft. test distance LEDs indicate connections and faults Tests shielded and unshielded LAN cable LEDs indicate connections and faults Tests shielded and unshielded LAN cable Tests 4 types of cables: RJ11/-45/USB/BNC Simple one-button test Tests patch cables and installed wiring 600 ft. test distance