16 April 2026
How it works
Passive radar detects and tracks targets by exploiting existing ambient radio signals rather than transmitting its own. Because it never emits, there is nothing for an adversary to locate, jam or target, making it a low-observable surveillance layer.
Where it fits
Passive radar integrates into wider air and coastal picture-compilation, complementing active sensors and aerial ISR. It is particularly valuable where a persistent watch is needed but revealing the sensor's position is not acceptable.
The independence advantage
Sourced from a non-aligned manufacturer, a passive-radar layer does not tie the operator to a single-power sensor ecosystem, keeping the surveillance picture under national control.
The advantage worth taking away
The value of passive radar for a defence buyer is that it lets you watch without being watched. Because the sensor never emits, there is nothing to locate, jam or strike, which makes it a resilient layer where a persistent watch matters but revealing your own position does not. Its real strength shows when it is integrated with active sensors and aerial ISR into a wider air and coastal picture, rather than treated as a standalone gadget. Sourcing it from a non-aligned manufacturer keeps the surveillance picture under national control and out of any single-power sensor ecosystem, with localisation arrangements scoped per programme, subject to export controls and end-use approvals. In practical terms, it protects both the force and the sensor itself, preserving awareness while denying the adversary a target.