DN - Defence Notes

NT Service gunning for drones

8th March 2019 - 08:00 GMT | by Lukasz Furmaniak in London


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With drones becoming ever more commonplace, there is an increasing demand for countermeasures to tackle the threat they pose, whether in military or civilian theatres. 

At the Security & Counter Terror Expo in London, running from 5-6 March, there was a wide variety of anti-drone technology on show, including the EDM4S.

Currently available from Lithuanian based NT Service, the EDM4S (Electronic Drone Mitigation System) is a man portable jammer originally designed for use in prisons to counter smuggling, though the system has also been used by border control and some unspecified military forces.

Built around a rifle imitation frame and featuring a holo-sight or scope as required, the EDM4S has an advertised range of 3km, generating a 20° cone from the directional antennas. Available for €15,000 ($16,800) per unit, the system is provided with radio modules covering the most common control, video and GPS frequencies for UAVs – WiFi 2.4GHz, GPS 1.5GHz, GNSS 1.5GHz and 5.8GHz.

Weighing 6kg and running for up to an hour off a changeable battery, the EDM4S is an easily portable solution to a growing problem. The December 2018 incident at Gatwick airport illustrates the kind of disruption a single drone is capable of, and the chaos that can ensue without prepared counter measures being in place. 

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