JRC JLN-205 Doppler Sonar Speed Log (End of Life)


*This product has reached end of life, but is still being supported. Reach out to a customer representative for more information and replacement products.*

JRC JLN-205 highly reliable Single-Axis Doppler Speed Log ensures accurate and stable speed data, utilizing high frequency ultrasonic waves.  Miniaturized integrated transducer eases installation on the bow, where fewer bubbles  can impact  accurate measurement.


  • Reduced error with ultrasonic beam fore & aft directions
  • Doppler measurement ensures accurate & stable speed data in rough conditions.
  • Compact lightweight transducer
  • High visibility 4″ LCD display with multiple modes
  • Easy to interface (2nd display, smaller remote displays, send data to Radar & ECDIS)
  • GPS connectivity enhances speed data & accurate positioning

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