telephone wire cable tester

Features: 1.Judge continuity of cable or wires. Track the cable or wires and diagnose the break point. 2.Rceiver the tone signal on the cable or wires (telephone line). Identify the states in the networking telephone line(clear,ring,busy). 3.Sender a signal solid tone or dual alternation tone to the object cables or wires . Description: 1.This cable…