The drones can be deployed in a variety of ways, including surveillance and crowd control. For example, the Staffordshire Police tested the drones during a rock festival.
The Microdrone GMBH video is very instructive.
- The drone has very steady GPS positioning.
- It is very quiet because it is electrically powered
- The drone has a loudspeaker to keep the people below behaving
In the video, there is a peeping shot of a bikini sunbather, which demonstrates how intrusive the gadget can be.
The drones cost about £30,000 or can be leased for £1,000 a month â€" a fraction of what it costs to put a helicopter into the air.