Tracker Diagnose Tone Finder Telephone Wire Cable Tester Toner Tracer Detector Networking Tools yellow

Description

To identify the status of the wire; To track the cable or wire and determine the breakpoint. To accept the sound signal (telephone line)sent by the cable or wire; to identify the state of the telephone line (idle, ringing, busy). To send a single audio frequency and double alternating audio frequency to the cable or wire.