This is the device filmed close to the Assembly: This is how the communication tool works

The device that was located next to the Serbian National Assembly on March 15 and was filmed is a long-range acoustic tool called LRAD 450XL.

By looking at the specification of this product on the website of the manufacturer, Genasys, we were able to see that it is a device that can transmit "higly intelligible communication" up to 1,700 meters.

"Highly intelligible communication up to 1,700 meters," reads the manufacturer's description of the device's power and range.

As stated, LRAD 450XL is used for...