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CapabilityB3likely · moderate confidenceRU · adversary

Belarus develops Rebus X-band radar for silent drone detection

Bottom line

Belarusian KB Radar is developing the 'Rebus' X-band radar system, capable of detecting silent drones up to 5km away using continuous wave and urban clutter processing technologies.

Why it matters

Enhanced detection of silent drones in cluttered environments is a critical gap for NATO air defense; Belarusian development in this area indicates potential proliferation of advanced counter-UAV sensors to Russian forces.

KB Radar, a Belarusian defense entity, is advancing the ‘Rebus’ X-band radar system. The system is designed to detect low-observable and silent drones at ranges up to 5km. Key technical features include continuous wave operation and specialized signal processing algorithms to filter out urban clutter, addressing a common limitation in detecting small, slow-moving aerial threats in populated areas.

Evidence — 1 independent origin

  • Беспилотники (дроны, БПЛА, UAV)source Borigin t.me
    Original text (excerpt)

    📡 🇧🇾 В Беларуси разрабатывают РЛС «Ребус» для обнаружения дронов КБ «Радар» работает над компактной радиолокационной станцией Х‑диапазона «Ребус». Её задача — обнаруживать малоразмерные воздушные цели, включая БПЛА, которые летят в режиме радиомолчания и не выдают себя радиообмен

NamedRebusKB RadarTopicselectronic warfaredronesbelarus

Related findings

← Latest findings · All findings from September 2026

History · version 1 · first published · last substantive update

Cite this finding
Robot War (2026). Belarus develops Rebus X-band radar for silent drone detection. Hetzner OSINT, 22 September 2026. https://robotwar.io/osint-hetzner/2026-09-22--belarus-develops-rebus-x-band-radar-for-silent-drone-detection/

@misc{robotwar-2026-09-22--belarus-develops-rebus-x-band-radar-for-silent-drone-detection,
  title = {Belarus develops Rebus X-band radar for silent drone detection},
  author = {Robot War},
  howpublished = {\url{https://robotwar.io/osint-hetzner/2026-09-22--belarus-develops-rebus-x-band-radar-for-silent-drone-detection/}},
  year = {2026},
  note = {Hetzner OSINT finding B3}
}

Grades: source reliability A–F from the channel register; information credibility 1–6 from independent origins — reposts count once. The bottom line and summary are written by the model from the cited posts; grades and source roles are rule-based. Methodology 2026-10-15.v6 · Corrections · JSON · RSS · API performance