QU

Quadsat

Quadsat ApS

Odense N, Denmark

Electronic WarfareRadar & SensorsCommunications & SATCOMUnmanned SystemsDual-use
Founded 2017Subsystem Manufacturer, Software DeveloperSupplies Defense Industry
Profile last updated: April 17, 2026

About

Founded in 2017, Quadsat is a defense subsystem manufacturer based in Odense N, Denmark working in electronic warfare, radar & sensors, communications & satcom +1 more.

Quadsat is a Danish company headquartered at the UAS Denmark Test Center at Hans Christian Andersen Airport in Odense, where it also carries out R&D and production. Founded in 2017, it began with drone-based satellite antenna testing and calibration and has since developed radio frequency detection, direction-finding and geolocation payloads and software for electronic warfare. Its SpectraLoc platform-agnostic EW payload is designed to detect and geolocate radars, air defence systems and jamming devices and can be integrated on a range of UAVs and other platforms. The company reports a first NATO order, a Defense EW order and a partnership in Ukraine, and has announced integration work with TEKEVER and Skyeton. Its SATCOM business serves satellite operators, antenna manufacturers and teleports with in-situ antenna measurement, tracking tests, EIRP and G/T evaluation, and calibration services. Quadsat also offers service agreements and annual calibration for manufacturers.

Location

Odense N, Denmark

Founded

2017

Legal name

Quadsat ApS

Focus areas

Electronic WarfareRF geolocationSpectraLocUAV payloadsSATCOMantenna testingspectrum intelligence

Languages

EN

Products & capabilities

Defense domains

Electronic WarfareRadar & SensorsCommunications & SATCOMUnmanned Systems

Supply-chain role

Subsystem ManufacturerSoftware DeveloperMRO & Services

What they offer

HardwareSoftwareEngineering ServicesMaintenance & Repair

Markets

Also sells to civilian markets

Products

SpectraLoc

Electronic Warfare payload

Platform-agnostic airborne RF payload for passive detection, direction finding, and geolocation of emitters, including radars, air defense systems and jamming devices. Covers 2-18 GHz and is designed for small UAVs.

Quadsat RF payload

Unmanned aerial system payload

Modular RF sensing and electronic warfare payloads designed for integration into a range of UAV platforms, with extensibility to mobile ground vehicles and fixed masts.

Quadsat Spectrum Operations Software

Command and analysis software

Command software for spectrum mapping, signal analysis and mission planning, with post-flight forensic analysis capability.

End users

Defense Industry

Standards, platforms & customers

Platforms & programmes

Skyeton Raybird-3UpTeko LARKNordic Drones X4STEKEVER AR3 EVO

Named customers

NATO

Credentials & affiliations

Awards

TECH Award

EY2025TECH Award, EY Entrepreneur Of The Year 2025