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A long-range acoustic device (LRAD), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker that produces sound at high power for communicating at a distance. It has been used as a method of crowd control , which has caused permanent hearing damage , having an extremely high decibel capacity (up to 160 dB measured at one ...
In addition to Chinese Coast Guard ships, vessels from the Chinese Maritime Militia reportedly carried out dangerous maneuvers and launched what is believed to be a long-range acoustic device against patrol vessels belonging to the Philippine Bureau of Fisheries and Aquatic Resources, Malaya said.
The Long Range Acoustic Device (LRAD) is an acoustic hailing device developed by Genasys (formerly LRAD Corporation) to send messages and warning tones over longer distances or at higher volume than normal loudspeakers, and as a non-lethal directed-acoustic-energy weapon.
On 29 June, documents released under the Official Information Act 1982 showed that the Police had deployed two long-range acoustic devices (LRADs) during the forced removal of the anti-vaccine mandate protesters on the last day of their occupation of Parliament's grounds. LRADs are controversial since they can emit a sound level of 140 decibels ...
The contents of the Acoustic hailing device page were merged into Long-range acoustic device on 30 December 2022. For the contribution history and old versions of the redirected page, please see ; for the discussion at that location, see its talk page.
Genasys Inc. is based in San Diego, California.Its long-range acoustic device (LRAD) products are used for long-range acoustic hailing and mass notification. Its software-as-a-service product suite, the Genasys Protect Platform, that includes ACOUSTICS, ALERT, CONNECT (formerly Evertel), and EVAC (formerly Zonehaven), is used for emergency alerting, notifications, evacuations, secure ...
2 x Long Range Acoustic Device (Long Range Acoustic System) SITEP MS-424; FFBNW 2 x Oto Melara ODLS-20 decoy launchers; Armament: 1 × Oto Melara 127 mm/64 Vulcano with Automated Ammunition Handling System (AAHS) 1 × Oto Melara 76 mm/62 Strales Sovraponte anti-aircraft gun; 2 × Oto Melara Oerlikon KBA B06, remote mounting; Aircraft carried: 2 ...
A long-range acoustic device produces a 30 degree cone of audible sound in frequencies within the human hearing spectrum (20 - 20000 Hz). An LRAD was used by the crew of the cruise ship Seabourn Spirit in 2005 to deter pirates who chased and attacked the ship. [ 3 ]
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