Description N044-000-R Multi-Functional Network Cable Tester allows you to test wiring continuity for Cat5, Cat6, Phone and Coax cable assemblies. Identifies mis-wires, short circuits and open circuits. Features two piece transmitter and receiver, two BNC-F coax converters and coax terminator. Includes handy storage pouch when not in use. Power supplied by 9V Battery (not included). Features: Essential Tool for Cable Installers or Telecom/LAN Personnel The N044-000-R allows you to test wiring continuity for Cat5, Cat6, telephone and coax cable assemblies at the press of a button. A combination of main tester unit and removable remote tester unit, the N044-000-R identifies crossed wires, short circuits and open circuits in BNC, F, RJ11, RJ12 and RJ45 cables. When not in use, the two-piece set can be stored in its vinyl carrying case to protect it from being damaged inside a crowded toolbox. Requires one 9V battery (not included) to operate.