_RT-B77 Personal Locator Beacon

The RT-B77 HELB is currently the most advanced and most powerful personal locator beacon (PLB) available on the market for man overboard (MOB) emergencies. The RT-B77 is designed for automatic activation upon contact with water or inflation of the wearer’s life jacket and can also be activated manually.

SKU: 20000077-20000078 Category:


This PLB also features a second frequency that can be used for testing or training purposes. Transmission of a dedicated ID and simple control of system and maintenance data by means of an IrDA interface are important benefits for operators of larger fleets. Autotest functions and status reports are announced by the system’s speaker to guarantee high availability.


Special Features

  • Very high output power
  • Designed for use under adverse conditions
  • Extremely compact, lightweight design
  • High efficiency RF amplifier technology
  • Water resistant up to 50 m for diving applications
  • Automatic activation upon contact with water (can be disabled)
  • Programmable beacon ID for transmission
  • Functional and operating status by LED and built-in speaker
  • Voice output at RF and speaker
  • PLL design for free selection of training frequency
  • Microprocessor controlled power management for long battery life


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