APDD-500 B

APDD-500 B (Acoustic device of distant act) is a compact and easy-to-transport acoustic system of notification of distant radius of action. APDD-500 B provides the transfer of clear, intelligible speech. Narrow-directed beam allows to reach the distance up to 2000 m. Widened frequency diapason provides strict transfer of words and intonation.

Field of usage:

• voice notification from the helicopters of the security agencies, law enforcement bodies, EMERCOM;
• transfer of voice messages between vessels without radio;
• notification of the citizens in case of the emergencies;
• providing control during manifestations, protests, crowded places;
• notifications in the areas of danger, carrying out construction works, sand mining;
• acoustic struggle against birds at airports.

Main characteristics