This device, developed at the Joint Non-Lethal Weapons Directorate in Quantico, Virginia, is a microwave transmitter the size and shape of a small satellite dish that pivots on top of an armoured car.

这种由弗吉尼亚州匡恩提科市的非杀伤性武器联合局研发的装置，是一种安装在装甲车顶部的可转动的微波发射机，其形状与大小如同一只小型碟式卫星电视天线。

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This weapon, which is called the Active Denial System, has been developed by the Joint Non-Lethal Weapons Directorate, in collaboration with Raytheon.

ECONOMIST: Electromagnetic weapons

This device, developed at the Joint Non-Lethal Weapons Directorate in Quantico, Virginia, is a microwave transmitter the size and shape of a small satellite dish that pivots on top of an armoured car.

ECONOMIST: Electromagnetic weapons

The sonic devices could prove less deadly than so-called "non-lethal" weapons such as Tazers and pepper spray guns that have actually caused some fatalities.

NPR: Focused Sound 'Laser' for Crowd Control