MASTECH MS6812 Network Cable Tester Tracker Telephone

Perfect for installing, debuging, maintaining telephone line and other wires or cables.
Detect continuity of the cables or wires without damaging the insulation.
Track the cables or wires, and diagnose the break point.
Receiver the tone signal on the cables or wires (telephone line).
Identify the state in the working telephone line (clear, ring, busy).
Send a single solid tone or a dual alternating tone to the object cables or wires.
Include a sender (MS6812-T) and a receiver (MS6812-R).
A professional & safe tool for wireman.

Specifications:
Send tone frequency: 1.5kHz
Receive frequency range: 100 ~ 300kHz
Power supply: 6F22 (9V)
Receiver size: 23.8 x 4.3 x 2.6cm
Emitter size: 14.5 x 3.5 x 2.5cm
Receiver weight: 106g
Emitter weight: 114g
Package size: 25.5 x 12 x 4cm
Package weight: 371g