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Airmar B122DT Long Stem Bronze Thru-Hull N2K Transducer

The long-stem, B122 transducer is designed for use in thick-hulled wooden boats or vessels with a steep deadrise. The included High-Performance Fairing vertically orients the sound beam for strong return echoes, resulting in optimal performance.

The Smart, digital, signal processing inside the housing sends depth and temperature data to a chart plotter, radar screen, or digital display eliminating the need for a dedicated depth sounder. And being retractable, the insert can be removed for servicing and storage.

Key Features

  • Long-stem, depth and temperature with a High-Performance Fairing
  • Can install as a low-profile with adaptor ring
  • 235 kHz frequency prevents mutual interference with other echosounders on the vessel
  • For thick hulled or steep deadrise vessels
  • Retractable insert in a bronze housing only
  • Available in NMEA 0183 or NMEA 2000® versions
  • 6 m (20’) NMEA 2000® cable or 10 m (33’) NMEA 0183 cable
  • Featuring Airmar's patented Smart™ Sensor technology


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