Ultra Electronics – USSI

The HS-14 and HS-18 acoustic hailing devices (RAHD) feature a removable pan and tilt system, making them ideal for perimeter security and sound reinforcement applications.



  • acoustic hailing device
  • deterrent acoustic tones
  • acoustic hailers defender vehicles
  • long-range communications systems
  • high sound pressure technology
  • highly-directional-sound-technology
  • pan and tilt system acoustic technology