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Tekever AR3 Evo Drone Now Detects Radars Without Emitting Signals
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The Portuguese defense firm Tekever has successfully completed the first flight of its AR3 Evo unmanned aerial vehicle equipped with the SpectraLoc payload from the Danish company Quadsat.
This integration allows the drone to detect, identify, and locate radar systems without emitting its own signals, maintaining a stealthy profile during operations, according to FlightGlobal on March 27.
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The specialized equipment is housed within a radio-transparent dome under the central part of the aircraft's fuselage.
Tekever emphasized that collecting data via the drone has reduced reliance on expensive and traditional ground-based systems, significantly shortening the time between detection and taking action.
Niels Bjerregaard, CEO of Quadsat, stated that his company aims to integrate its developments onto various platforms, "ensuring flexible and scalable deployment for gaining advantages on the modern battlefield, using new technologies for dominance in the electromagnetic spectrum."
Quadsat’s solutions have already been tested on the battlefield during Russia’s full-scale invasion of Ukraine. The SpectraLoc electronic intelligence complex has been used by the Ukrainian Defense Forces since at least January to identify the positions of air defense radar stations and counter-battery radars.
Last year, Quadsat collaborated with the Ukrainian drone manufacturer Skyeton to create an electromagnetic spectrum monitoring system for the ACS-3 (Raybird-3) drone, with integration reportedly completed in early August.
The AR3 Evo is the latest modification from Tekever, developed using experience gained from the previous version’s performance in Ukraine.
Tekever, which is based in Portugal and maintains production facilities in the United Kingdom, previously announced plans to build the UK's largest drone manufacturing plant.
This development is significant for Ukraine, as the British government has previously allocated funds to supply Tekever drones to the Ukrainian military.
Building on the ancestry of the Queen Bee of the 1930s, drone development moved from target practice to combat applications.
In late 1944, the US Navy carried out one of the first offensive uses of drones in wartime, employing the TDR-1 assault aircraft, which was guided by a television camera in its nose and controlled from an accompanying plane as it struck Japanese targets in the Pacific.
In the 1950s, early jet-powered target drones such as the Ryan Firebee entered service, laying the groundwork for later intelligence gathering roles.
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