Sonardyne Coastal Transponder

Part of Sonardyne’s Coastal Acoustic product range, the Type 7815-000- 07 Coastal Transponder has been designed for low cost applications where size and weight are important operational factors.

The transponder enables critical targets such as underwater structures, diving bells and instrumentation packages to be marked unambiguously and later relocated using Sonardyne's Homer-Pro and ROV-Homer range and direction systems.


  • Versatile, low cost transponder
  • Depth rated to 500 Metres
  • Compact and rugged design
  • HF frequency band from 35-55kHz
  • Alkaline battery packs give up to 18 months listening life



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