UPC Number: 752830836464


Filter Probe:

  • Work with any tone generator to identify wires.
  • Volume control for increased sensitivity and adjustable to suit work environment.
  • 2 operation modes: Filter on/Filter off.
  • The auto-off function (5 minutes) prevents battery consumption.
  • Power supply is available in any 9V battery with a life of approximately 50 hours.
  • A phone jack is designed for headset or handset.
  • Flashlight function.

Tone Generator:

  • Tone generator is a great tool for locating and identifying cable pairs or individual conductors.
  • It not only provides the function of a tone generator, but also serves as a continuity and polarity tester.
  • A tone selector switch located inside the unit for selection of the fast tone or slow tone.
  • Two bi-colored LED for Line1 and Line 2 indication of the polarities of the telephone lines.
  • The unit has alligator type terminals, a modular cable of 4 conductors with a strong connector.
  • The tone and continuity functions are only applied to Line 1 (modular connector).
  • Accessories: Instruction manual, soft pouch and batteries.

Tech. Specification

Filter Probe

Operation mode: - Filter on (avoid the interference of 50Hz/60Hz)
- Filter off
Receiver distance: <50cm
Sensitivity control:
Probe tip: fixed

Tone Generator

Waveform: square wave
Frequency: 1kHz 15%
Over voltage protection: 80V DC
Alternating tone: fast and slow
Connection:RJ11 connector, RJ45 connector and alligator clip x 2

Operating Temperature & Humidity

0C~40C, 80%RH max.

Storage Temperature & Humidity

-10C~50C, 80%RH max.

Power Source

Filter probe: 9V battery x 1
Tone generator: 9V battery x 1


Filter probe: 250 (L) x 39 (W) x 38 (D) mm
Tone generator: 86 (L) x 63 (W) x 26 (D) mm


Filter probe: Approx. 180g (battery included)
Tone generator: Approx. 130g (battery included)


Ordering Info.

  • BESANTEK BST-CT103 Cable Tracer with RJ11/RJ45 Connector


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