RJ45 RJ12 Tester with tone generator

 For telephone line, it can identify some state in the line, and more  convenience to install, debug, maintain telephone line.  There is a Sender  and a Receiver  included in the cable tracker.

1. Judge continuity of the cables or wires
   
2. Track the cables or wires, and diagnose the break point
   
3. Receiver the tone signal on the cables or wires (telephone line)
   
4. Identify the state in the working telephone line (clear ring, busy)
   
5. Send a single solid tone or a dual alternating tone to the object cables or wires