TRIPP LITE's N044-000-R multi-functional network cable tester allows you to test wiring continuity for CAT 5, CAT 6, phone, and coaxial cable assemblies. Identifies miswired, short circuits, and open circuits. Features two-piece transmitter and receiver, two (2) BNC Female coax converters and coax terminator, includes a handy storage pouch when not in use. Power supplied by 9 V battery (not included).