3 Star ADV1008 4-Way Coaxial Cable Mapper Ringer Toner Tester Is a hand-held coax mapping device designed to locate and identify installed wires and to test multi-run coax systems terminated with F-connectors. Use it to put a tone signal on a coax cable. Four color-coded terminators allow you to test and indentify FOUR cables with just ONE trip to the junction box.
If You're an Installer/Maintenance Technician for a Cable TV Company or Maintain a Master Antenna System Property, this is a Time-Saver. When you have multiple Drop Cables run throughout an Apartment or Condominium and You're one Guy, it can quickly become a Royal Pain in the @ss trying to figure out what goes where, from where, to where and have it make sense when after years of little/no maintenance... splitters, cables and additional outlets run like water. Four Color-Coded "F" Terminators are screwed in at the outlets you find, go back to the central feed or splitter location, Tone and Tag knowing exactly which cable runs where. Detect shorts and opens, runs a tone that can be detected by most Inductive Pick-up Amplified Probes and by Amplified or NON-Amplified Telephone Lineman "Butt-Sets" for even More Flexibility in Troubleshooting and Identification.