lJudge continuity of the cables or wires.
lTrack the cables or wires ,and diagnose the break point.
l Receiver the tone signal on the cables or wires (telephone line).
lLdentify the state in the working telephone line (clear,ringing, busy).
lSend a single solid tone or a dual alternating tone to the object cables or wires.
lSend tone frequency: 1.5KHz
lReceive frequency range: 100~300KHz
lPower supply: 6F22(9V)
lSize: receiver 238mm×43×26mm
lWeight: teceiver 106g(include battery)
emitter 114g(include battery)