E-Bro Network Scanner Tester LAN Ethernet Phone Telephone Cable Wire Tracker Tracks the cables or wires, and diagnose the break point Judges continuity of the cables or wires Identifies the state in the working telephone line (clear ring, busy Sends a single solid tone or a dual alternating tone to the object cables or wires Receives the tone signal on the cables or wires (telephone line) Automatic efficient scan for the miss wiring, disorder cable, open and short circuit TEL BNC test av