Silent Mesh, Unipessoal, Lda.
Passive fibre-optic microphone mesh detecting fibre-guided FPV drones that RF sensors cannot see.
Latest event found: 19 Sep 2026 · 28 days ago
Vitality Radar
Pillar Analysis
Strategic Assessment
Strategic Vector
Silent Mesh is pursuing an early-stage defense technology strategy centered on passive acoustic detection of fiber-optic and autonomous FPV drones, with development in Portugal and Romania and operational testing in Ukraine. The company is moving from prototype validation toward field evaluation and partner integration.
Efficiency Ratio
The company appears to generate substantial technical and field-validation output from a very small team, but limited public evidence of customers, revenue, certifications, or production scale constrains the efficiency assessment.
Evidence Signals
Silent Mesh publicly presented a system for detecting and tracking autonomous and fiber-optic FPV drones using a dense mesh of fiber-connected acoustic sensors.
Publicly shared material showed four passive acoustic sensor nodes connected by fiber detecting and plotting a combat FPV drone in real time, with claimed sub-second latency and no RF emissions.
Felipe Ferreira began serving as Field Operations Lead, directing field testing, deployment, and partner integration activities.
A four-sensor array operated by one person reportedly detected and tracked combat-grade FPV drones in real time during an official Ukrainian Ministry of Defence crash test organized with BRAVE1 and the Snake Island Institute.
Paulo Fonseca began serving as founder of Silent Mesh and described the company as building passive acoustic drone detection for European frontline environments.
- About
- Silent Mesh, Unipessoal, Lda. (Portugal) detects fibre-optic-guided FPV drones that RF sensors miss, using a fully passive mesh of fibre-optic microphones. A drone flying on a spooled fibre emits nothing, so jammers have nothing to jam and RF detectors nothing to detect; acoustic listening is one of the few remaining detection routes, and passivity means the sensing line does not radiate.
- Relevancy
- 'Silent Mesh detects fiber-optic FPV drones that RF sensors miss' — a fully passive fibre-optic microphone mesh. Anchor A1. Classified C06-01. Sharpest threat-to-solution fit in the dataset: fibre-guided FPVs defeat the entire C06-02 RF-defeat group, and this attacks the problem one step earlier at detection. COUNTRY CORRECTED to Portugal from the legal form (Unipessoal, Lda.).
- Tags
- #CounterUAS #FibreOpticDrones #PassiveAcoustic #FibreOpticMicrophones #AntiFPV #NoEmissions #Portugal