N03NF-868 Cable Tracker Phone Line Tester BNC Network Finder USB RJ11 RJ45

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This cable tester and tracker is developed with more functions. It has 3 main functions: wire tracercable fault locatorlength tester. It can test the length of network / coaxial / telephone / USB cables by the way of M-S, M-R, and OPEN. The test length can be 1500m as accuracy as 98%. It also capable to do a line-to-line test, cross-talk and breaking point features fast and accurate, thus serve as a practical tool for low voltage system installation and technicians maintenance of communication circuits and comprehensive wiring circuits.

It is used widely in fields like telephone systems, computer networks, and other metal lead circuits. 


  • Measure length of network cable, coaxial cable, telephone cable, and USB cable with three methods (M-S, M-R, and OPEN), capable to measure the cable at length of 1500m, and precision of measuring cable length and position of broken line is up to 98%
  • Test open circuit, short circuit, cross-connection, reverse connection, pairing connection and broken wire positioning for telephone cable, BNC cable and USB cable with M-S and M-R method visually display on LCD
  • Perform crosstalk test on network cable for solving the potential problem of slow speed
  • Quickly find the target wire or cable among the plenty of network cables, telephone cables, coaxial lines and other various kinds of wires
  • Make accurate determination of open circuit position (left, right or middle)
  • Perform cable tracking on exchanger or Router with power-on
  • Low voltage prompt function is available in case of over low voltage on the main unit
  • Featuring simple control, large screen display and open-and-shut test result
  • Automatic delay power on-off and backlight function
  • With Lighting lamp enables to use in a dark environment
  • Remote identifier is not necessary to perform length measurement and pairing test
  • Self-checking function and automatically compensate for any change in battery capacity or ambient temperature
  • Single-chip computer software watchdog design and reliable operation


  • Display: Dot matrix 128 x 64 (effective visible area is 56 x 40mm)
  • Testing and Detecting Cable types:
    • STP/UTP
    • 5E
    • 6E
    • network cable
    • Telephone cable
    • Coaxial cable
    • USB signal cable
    • Common metal wires connected with alligator clip
  • Testing device interface:
    • Main unit: RJ45 (M)
      • RJ45 (S)
      • Loop interface
      • BNC connector
      • USB B-type female interface
    • Remote identifier:
      • RJ45
      • RJ11
      • BNC connector
      • USB A-type female interface
  • Length measurement
    • Range: 1~1200m
    • Calibration precision: 2% (±0.5m, or ±1.5 feet); (calibration; cable>10m) 
      measurement precision: 3%((±0.5m or ±1.5ft); (AMP, CAT5E, 6E cable material)
    • Display unit: meter, inch, yard
  • Length calibration: User may use a cable at a known length to set a calibration coefficient. Calibration length is over 10m
  • Line sequence and cable failure positioning: used for Lind Finding two-core cable or cable with over two cores
  • Line finding function: used for Lind Finding two-core cable or cable with over two cores
  • Operating Environment
    • Temperature: -10° ~ 60°C
    • Humidity: 20% ~ 70%
  • Power Supply:
    • Master: 9V compound tandem cell
    • Receiver: 9V compound tandem cell
  • Overall dimensions
    • Main tester: 185 x 80 x 32mm
    • Receiver: 218 x 46 x 29mm
    • Remote identifier: 107 x 30 x 24mm

Set includes:

  • 1 x  Multipurpose Cable Tester
  • 1 x Earphone
  • 1 x far-end passive test jacks
  • 1 x Receiver 
  • 1 x Carrying Toolkit Bag
  • 1 x RJ11-to-Alligator Converter
  • 1 x RJ45 Cable
  • 1 x RJ11 Cable
  • 2 x 9V Battery
  • English User Manual

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