Jonard Tools Cable Mapper Pro Testing Device

CABLE MAPPING: Maps up to 8 COAX or Network Cables simultaneously, up to 1,000 ft TONE GENERATOR: Makes it quick and easy to locate cables in wiring closets or patch panels VERSATILE TESTING: Tests Network and Telephone Cables using RJ11 or RJ45 connectors for shorts and wire mispairs, and live voltage detection warns you if the cable is live