


Cognitive Electronic Warfare. Spectrum Dominance.
Defence. Redefined.
Modern conflict begins in the electromagnetic spectrum, in signals beyond human sight or hearing. Crown Defence built Onyks™ to detect exactly that: threats moving through the spectrum long before they surface elsewhere, compressed into an operator decision within seconds.
One platform, one core, reconfigured by software for the mission at hand, across strategic, operational and tactical levels. Finnish-engineered, NATO-interoperable, and built to sustain learning long after deployment.
The electromagnetic spectrum does not stand still for a procurement cycle. A system fixed at the point of manufacture is already behind the threat it was built to counter. A platform that learns from every engagement and reconfigures itself for the next one stays ahead of the curve instead.


One platform, four form factors
A single cognitive engine runs across every domain Crown Defence deploys to: fixed-site installations, vehicle-mounted units, naval platforms, and dismounted operator kits. The hardware remains common across all four footprints. What changes from mission to mission is which capabilities the software switches on: Electronic Support, Electronic Attack, Electronic Protection, in whatever combination the environment demands.
This is the practical meaning of a cognitive platform: capability is configured for the mission at hand and reconfigured when the mission changes, without a hardware refresh in between.
Data is the asset
Every deployment feeds the same cognitive core, and what accumulates is a working model of the electromagnetic environment, built from the signals it has already seen and the countermeasures that worked against them. Each new deployment starts from that accumulated model, configuring faster and recognising more than the previous one.
RF, acoustic and optical inputs feed into this model simultaneously, broadening the platform's view of the spectrum with every engagement.
Command stays with the operator
The cognitive engine classifies, assesses and recommends. The operator retains command authority. Decision time is reduced; the decision itself does not move.


real time multi-spectral sensor fusion


Why crown defence
Research Velocity
European research collaborations achieve breakthrough capabilities in months, not procurement cycles.
Combat-Informed
Development shaped by operators and validated in realistic environments. Technology supports the mission.
European Sovereignty
European sovereignty. Finnish origin within the EU and NATO framework. Full capability transfer, no third-party export restrictions.
Continuous Evolution
The platform improves through software, informed by every deployment.

ECOSYSTEM
Crown Defence operates within defence and dual-use innovation ecosystems, working alongside research institutions, technology partners, and industry networks across Finland, the US, and Ukraine.

The spectrum is the battleground that determines the physical one. Crown Defence builds the platform that keeps command of it in the operator's hands.

