What does the acronym LRAD stand for?

The acronym LRAD stands for "Long Range Acoustic Device." This device is designed to transmit focused sound at high decibel levels over long distances, making it effective for communication and crowd control. It has been utilized in various situations, such as during protests or in military applications, to deliver verbal instructions or warnings and to deter crowds peacefully. The technology relies on directed acoustics, which allows for clear sound delivery without disturbing areas outside the targeted zone, thus enhancing its nonlethal application.

This understanding distinguishes LRAD from the other options, which do not accurately reflect the device's purpose or functionality. For instance, while "Long radius audible device" and "Long range alert device" sound plausible, they do not describe the specific design and utility of LRAD, which emphasizes directed sound at significant ranges. Similarly, "Long range audio delivery” fails to capture the tactical and focused nature of the device's operational capabilities.