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Underwater Acoustic Beacon

Underwater Acoustic Beacon

Category: Survey
The RJE ULB-362 is a compact, cost-effective, full ocean depth, underwater location beacon (Pinger) designed for applications where size is critical. Typical applications include use on ROVs, AUVs, ordinance and equipment recoveries.
The ULB-362 can withstand very high levels of vibration, pressure and temperature. It is powered by a battery with a 6 year shelf life which provides a minimum operating life of 30 days when activated. The ULB series beacons can be ordered in aluminium or stailess steel bodies and configured to activate with a time delay or power-loss option.


  • Water activated
  • Long battery shelf life
  • Compact
  • Rugged




Dimensions ∅33 x101.6Lmm
Weight in Air 227.0g
Weight in Seawater 106g
Operating Frequency 27, 37.5, 45kHz (+/- 1kHz)
Acoustic Output 160.5db ef 1<Pa @ 1m
Activation Water Switch or Other Options
Power Source Lithium Battery
Battery Self Life 6 Years
Battery Life 30 Days
Housing Material Aluminium or Stainless Steel
Depth Rating 6000msw