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Chapter 3 of 8Defence7 min read · 6 exhibits

Part II: Multi-layered C-UAS Architecture

How does a layered counter-drone system detect and defeat a drone?

Chapter summary

No single sensor or effector works against every drone. The architecture fuses acoustic, RF, radar and optical detection, then matches soft-kill and hard-kill options to the threat and the cost of the shot.

Key takeaways

  1. 1

    Multi-sensor fusion lifts detection probability to 95%+ and cuts false alarms by 80–90%.

  2. 2

    RF jamming defeats 90–95% of consumer drones but has no effect on autonomous ones.

  3. 3

    Lasers cost $1–10 per shot, but rain, fog and dust degrade them by 50–90%.

At a glance

Exhibit 3.1

Radar sees furthest; acoustic sensors cover only the last few hundred metres

Detection range by sensor · km

Acoustic

0.1–0.5

RF detection

3–10

EO/IR (thermal)

3–8

X-band radar

5–15

S-band radar

10–30

each bar runs from the low to the high estimate

Source: European Counter-Drone Market Assessment 2026–2030, Setcoin Research (February 2026)

Exhibit 3.2

Lasers win on cost per shot; jamming fails against autonomous drones

Soft kill vs hard kill

RF jammingHigh-energy laser
Range1–5 km1–5 km
Cost per use$8K–500K per system$1–10 per shot
Weak againstAutonomous drones (0%)Rain, fog, dust
European market 2026–30€1–2B€2–4B
Source: European Counter-Drone Market Assessment 2026–2030, Setcoin Research (February 2026)

Exhibit 3.3

Hard-kill options range from $5 shotgun shells to $400K missiles

Hard-kill options

EffectorRangeCost
Shotguns50–150 m$5–15 per engagement
Airburst ammunition1–4 km$100–500 per round
Gepard SPAAG4 km$5M per system
Skyranger 30—$8–12M per system
Coyote interceptor10+ km$100–150K
Stinger MANPADS4.8 km$400K per missile
Source: European Counter-Drone Market Assessment 2026–2030, Setcoin Research (February 2026)

Exhibit 3.4

Only lasers combine multi-kilometre reach with a cost per shot under $10

Hard-kill effectors by cost per engagement and reach

Long reach, cheap per shotLong reach, costly per shotShort reach, cheap per shotShort reach, costly per shotHigh-energy laserAirburst roundsHigh-power microwaveShotgunCoyote interceptorStinger missileCost per engagement (log scale, $1 to $1M) →Effective range (midpoint, 0–5 km) →
  • High-energy laser: $1–10 a shot, 1–5 km; degraded by rain, fog and dust
  • Airburst rounds: $100–500 a round, 1–4 km
  • High-power microwave: $10–50 an engagement, 0.5–2 km
  • Shotgun: $5–15, 50–150 m
  • Coyote interceptor: $100–150K, 10+ km (shown at the 5 km cap)
  • Stinger missile: $400K, 4.8 km
Note: Cost on a log scale; range is the midpoint of the stated effective range, capped at 5 km. Derived by Setcoin from the figures in the study.Source: European Counter-Drone Market Assessment 2026–2030, Setcoin Research (February 2026)

The chapter · 1,657 words · 6 exhibits

4 Detection Layer Technologies

4.1 Acoustic Detection Technology Principle:

  • Microphone arrays detect rotor/propeller signatures
  • AI pattern recognition for drone identification
  • Effective range. 100-500m
  • All-weather, passive operation

Leading Systems:

  • Squarehead Technology (Norway). Acoustic sensors
  • Metravib (France). PILAR acoustic detection
  • Sentrycs (Israel). Acoustic + RF fusion

Performance Metrics:

  • Detection probability. 85-95% (Groups 1-2)
  • False alarm rate. <5% (AI-filtered)
  • Cost. $5,000-20,000 per sensor node
  • Deployment. 360° coverage, networked arrays

Limitations:

  • Urban noise interference
  • Wind degradation (>15 mph)
  • Limited range
  • Cannot detect gliders

Market Analysis:

  • European market. €100-200M (2026-2030)
  • Growth driver. Low-cost, passive detection
  • Integration. Part of multi-sensor networks

4.2 RF Detection & Direction Finding Technology Principle:

  • Intercept drone control signals (2.4 GHz, 5.8 GHz)
  • Direction finding via triangulation
  • Protocol analysis (identify drone type)
  • Range. 1-10 km

Leading Systems:

  • Rohde & Schwarz (Germany). ARDRONIS
  • HENSOLDT (Germany). Xpeller
  • Thales (France). Angénieux RF detection
  • DroneShield (Australia). DroneSentry

Performance Metrics:

  • Detection range. 3-10 km (depending on power)
  • Identification accuracy. 90%+ (known protocols)
  • Cost. $20,000-100,000 per system
  • Latency. <1 second detection-to-alert

Limitations:

  • Ineffective vs autonomous drones (no RF emissions)
  • Frequency hopping challenges
  • Dense RF environments (urban)
  • Cannot detect wired-guided systems

Market Analysis:

  • European market. €300-500M (2026-2030)
  • Mature technology, widespread adoption
  • Challenge. Autonomous drone proliferation

4.3 Radar Systems X-Band Radar (8-12 GHz):

  • Range. 5-15 km
  • RCS threshold. 0.01 m² detectable
  • Accuracy. ±10m range, ±2° azimuth
  • Cost. $200K-1M per radar

Examples:

  • IRIS (Hensoldt). Mobile X-band
  • Gamekeeper (Blighter). Doppler radar
  • ELM-2026D (IAI Elta). Multi-mission radar

S-Band Radar (2-4 GHz):

  • Range. 10-30 km
  • Volume search. Wide area coverage
  • Cost. $500K-2M
  • Application. Perimeter defense, airfields

Phased Array Radar:

  • Simultaneous tracking. 100+ targets
  • Electronic steering. No mechanical movement
  • Cost. $1M-5M
  • Application. Critical infrastructure

Performance Comparison:

Exhibit 3.5

Highest: Phased Array (15-40km); lowest: FMCW (2-8km)

Range · Detection Layer Technologies

Phased Array

15-40km

S-Band

10-30km

X-Band

5-15km

FMCW

2-8km

each bar runs from the low to the high estimate

Source: European Counter-Drone Market Assessment 2026–2030, Setcoin Research (February 2026)
View the data table (4 rows)
Radar TypeRangeSmall UAS DetectionCostDeployment
X-Band5-15kmExcellent$200K-1MMobile/Fixed
S-Band10-30kmGood$500K-2MFixed
Phased Array15-40kmExcellent$1M-5MFixed
FMCW2-8kmExcellent$50K-300KMobile

Limitations:

  • Ground clutter (low-altitude drones)
  • Weather degradation (rain, fog)
  • Cannot identify friendly vs hostile
  • High false alarm rates (birds, debris)

Market Analysis:

  • European market. €1-2B (2026-2030)
  • Largest detection segment
  • Integration. Network-centric warfare

4.4 Electro-Optical / Infrared (EO/IR) Technology Principle:

  • Thermal imaging (MWIR, LWIR)
  • Daylight cameras (HD, 4K)
  • AI-powered target recognition
  • Range. 1-10 km

Leading Systems:

  • Teledyne FLIR. Thermal ISR cameras
  • Controp (Israel). EO/IR gimbals
  • Safran (France). SOPHIE thermal imagers
  • Leonardo (Italy). SAGE EO/IR systems

Performance Metrics:

  • Detection range. 3-8 km (thermal), 5-10 km (daylight)
  • Recognition range. 1-3 km
  • Identification range. 500-1,500m
  • Cost. $50,000-500,000 per turret

Limitations:

  • Weather dependent (fog, rain)
  • Requires visual line-of-sight
  • Limited range vs RF/radar
  • Cannot penetrate vegetation

Market Analysis:

  • European market. €500M-1B (2026-2030)
  • Growth driver. AI target recognition
  • Dual-use. Border security, critical infrastructure

4.5 Multi-Sensor Fusion Technology Approach:

  • Acoustic + RF + Radar + EO/IR integration
  • AI-powered data correlation
  • Reduced false alarms (cross-validation)
  • Comprehensive situational awareness

Performance Benefits:

  • Detection probability. 95%+ (multi-sensor)
  • False alarm reduction. 80-90%
  • Classification accuracy. 90%+
  • Autonomous drone detection. Radar + EO/IR compensates for RF absence

Leading Integrators:

  • Thales. Multi-sensor C-UAS suites
  • Leonardo. Falcon Shield
  • HENSOLDT. Integrated C-UAS
  • Rohde & Schwarz. ARDRONIS multi-sensor

Market Analysis:

  • European market. €2-3B (2026-2030)
  • Premium segment (military, critical infrastructure)
  • Future standard. All-domain awareness

5 Soft-Kill Systems

5.1 RF Jamming Technology Principle:

  • Directional jamming of control frequencies
  • GPS denial / spoofing
  • Video link disruption
  • Effective range. 1-5 km

Jamming Approaches:

  • Barrage jamming. Wide-spectrum noise
  • Spot jamming. Targeted frequency
  • Deceptive jamming. False signals
  • GPS spoofing. False position data

Leading Systems:

  • HENSOLDT (Germany). Xpeller jammer
  • Rohde & Schwarz (Germany). Directional jammers
  • Dedrone (Germany/USA). RF Jammer
  • MC2 Technologies (France). TITAN jammer
  • DroneShield (Australia). DroneGun series

Performance Metrics:

  • Jamming range. 2-5 km (directional), 500m-2km (omni)
  • Frequency coverage. 20 MHz - 6 GHz
  • Power output. 50W-200W (portable), 500W+ (vehicle)
  • Cost. $8,000-80,000 (handheld), $100K-500K (vehicle)

Effectiveness by Drone Type:

  • Consumer drones (DJI, etc.): 90-95% effective
  • Military drones. 60-80% (frequency hopping)
  • Autonomous drones. 0% (no RF control)
  • GPS-independent. Limited (inertial navigation backup)

Limitations:

  • Collateral RF interference (friendly systems)
  • Autonomous drones immune
  • Crash hazard (urban areas)
  • Legal restrictions (civilian airspace)
  • Directional systems require targeting

Market Analysis:

  • European market. €1-2B (2026-2030)
  • Mature technology, widespread deployment
  • Challenge. Regulatory frameworks, autonomous threats

5.2 GPS Denial / Spoofing Technology Principle:

  • Overwhelm GPS signals (L1, L2, L5 bands)
  • Inject false position data
  • Force return-to-home or land
  • Range. 1-10 km

Effectiveness:

  • Consumer drones. 80-90% (RTH triggered)
  • Military drones. 40-60% (inertial backup)
  • Kamikaze drones. Low (terminal phase)

Concerns:

  • Civilian GPS disruption (aviation, navigation)
  • Strategic infrastructure impact
  • Legal/regulatory constraints

Leading Systems:

  • Rohde & Schwarz. GPS denial
  • Babcock. GPS spoofing technology
  • Sentrycs. Cyber takeover (GPS spoofing)

Market Analysis:

  • Limited deployment (regulatory)
  • Military-only applications primarily
  • European market. €200-400M (2026-2030)

5.3 Cyber Takeover Technology Principle:

  • Exploit drone protocol vulnerabilities
  • Hijack control link
  • Land drone safely or redirect
  • Range. 100m-2km

Leading Systems:

  • Sentrycs (Israel). DroneDome Cyber
  • Department 13 (USA). MESMER
  • DroneShield. Protocol exploitation

Effectiveness:

  • Consumer drones. 70-85% (known protocols)
  • Encrypted systems. 10-30%
  • Proprietary military. <10%

Advantages:

  • Safe neutralization (no crash)
  • Drone capture for intelligence
  • Minimal collateral damage

Limitations:

  • Requires protocol knowledge
  • Time-intensive (vs jamming)
  • Ineffective vs new/unknown systems
  • Short range

Market Analysis:

  • Niche application
  • Intelligence/law enforcement focus
  • European market. €100-300M (2026-2030)

6 Hard-Kill Systems

6.1 Kinetic Interceptors (Projectiles)

Exhibit 3.6 · Interactive model

Counter-drone cost exchange

What does it cost to defeat a drone raid with a given mix of effectors, against what the attacker spent?

Download Excel model
Scenarios
€10.90MDefender cost (shots)
€3.50MAttacker cost (drones)
3.11Defender € per attacker €
15 of 100Expected drones getting through
Interceptor drones€16k
Guns (airburst)€8k
Missiles€556k
Lasers€13
€ per drone destroyed, by effector (log scale)
Show the calculation table
EffectorDrones engagedCost per shot (€)Success rateShot cost (€)Expected kills
Interceptor drones5015,00095%750,00047.5
Guns (airburst)305,00065%150,00019.5
Missiles20500,00090%10,000,00018
Lasers01080%00
Sensitivity: which input moves the answer most

What moves “Defender cost (shots)” most: each input 20% lower (left of a pair) and 20% higher

Drones in the raid−2.2 / +2.2
Share engaged by missiles−2.1 / +1.9
Missile: cost per shot−2.0 / +2.0
Share engaged by interceptor drones+1.0 / −0.855
Share engaged by guns (airburst)+0.547 / −0.495
Interceptor drone: cost per shot−0.150 / +0.150
Gun: cost per engagement−0.030 / +0.030
One shot per drone per effector type; success rates: interceptor drone 95% (Merops record), gun 65% (Gepard 60–70%), missile 90%, laser 80% (Setcoin assumptions where the study gives none).Defender cost counts only the shots, not the systems or crews; attacker cost counts only the drones.Expected leakers = drones × share × (1 − success rate), summed over effectors.Source: European Counter-Drone Market Assessment 2026–2030, Setcoin Research (February 2026)

6.1.1 Small Arms / Shotguns Technology:

  • Modified shotguns with extended chokes
  • Specialized ammunition (birdshot, flechettes)
  • Effective range. 50-150m
  • Rate of fire. Manual

Performance:

  • Hit probability. 60-80% (trained operators)
  • Cost per engagement. $5-15
  • Deployment. Individual soldiers

Examples:

  • Standard 12-gauge shotguns
  • Benelli M4 (modified)
  • Training programs (US, UK militaries)

Limitations:

  • Very short range
  • Requires visual acquisition
  • Limited effectiveness vs fast/small targets
  • Urban safety concerns (falling debris)

6.1.2 Airburst Ammunition Technology:

  • Programmable fuse (time/proximity)
  • Fragmentation warhead
  • 30mm, 35mm, 40mm calibers
  • Effective range. 1,000-4,000m

Leading Systems:

  • Rheinmetall Oerlikon. AHEAD ammunition (35mm)
  • Northrop Grumman. XM25 airburst (25mm)
  • Nexter. 40mm CTA ammunition

Performance:

  • Hit probability. 70-90% (airbursting)
  • Cost per round. $100-500
  • Rate of fire. 200-1,000 rpm (automated)

6.1.3 Self-Propelled Anti-Aircraft Guns (SPAAG) Gepard (Germany):

  • Armament. Twin 35mm cannons
  • Range. 4,000m effective
  • Rate of fire. 1,100 rpm combined
  • Radar. Search & track
  • Cost. $5M per system
  • Effectiveness. Ukrainian data shows 60-70% against Shahed
  • Availability. 50-60 systems (Germany stockpile), Ukraine operational

Skyranger 30:

  • Manufacturer. Rheinmetall
  • Armament. 30mm Oerlikon revolver cannon + missiles
  • Platform. Various (Boxer, Lynx IFV)
  • Cost. $8-12M per system
  • Delivery. Netherlands 2028+
  • Production. Scalable to 50+ units/year

Market Analysis (Kinetic Guns):

  • European market. €2-4B (2026-2030)
  • Focus. SPAAG modernization, mobile platforms
  • Key drivers. Ukraine combat validation
  • Production. 100-200 systems needed (NATO)

6.2 Interceptor Drones

6.2.1 Ukrainian Combat-Proven Systems Merops (Project Eagle, USA):

  • Interceptor. Surveyor drone ($15,000)
  • Success rate. 95% (1,000+ Shahed kills as of Nov 2025)
  • Method. Net capture or collision
  • Deployment. Poland, Romania training (NATO)
  • Scalability. Mass production capable

Atreyd (France):

  • Type. FPV interceptor drones
  • Method. Radar-triggered autonomous launch
  • AI: Airborne optimization for interception
  • Cost. Few thousand dollars, reusable
  • Deployment. Ukraine operational (Nov 2025)
  • European production. Scalable

Ukrainian Indigenous:

  • Various FPV interceptor programs
  • Costs. $1,250-2,500 per interceptor
  • Effectiveness. 70-90% against Shahed
  • Production. 10,000s/month capability

6.2.2 Technology Architecture Detection-to-Launch:

  • Radar/RF detection triggers alert
  • AI calculates intercept trajectory
  • Autonomous or remote operation
  • Launch-to-intercept. <60 seconds

Interception Methods:

  • Net entanglement. Capture intact
  • Kinetic impact. Collision destruction
  • Explosive. Proximity detonation
  • Directed fragmentation. Shrapnel

Advantages:

  • Cost-effective. $1,250-15,000 vs $200K missiles
  • Scalable. Mass production (10,000s)
  • Reusable. If not detonated (net systems)
  • Flexible. Various platforms (ground, vehicle, naval)

Market Analysis:

  • European market. €3-5B (2026-2030)
  • Fastest-growing hard-kill segment
  • Key requirement. 10,000+ systems for EU/NATO
  • Production. Ukrainian partnerships + European manufacturing

6.3 Missile Systems

6.3.1 Man-Portable Air Defense Systems (MANPADS) Stinger (USA):

  • Range. 4,800m
  • Ceiling. 3,500m
  • Cost. $400,000 per missile
  • Effectiveness vs drones. Overkill (heat signature issues)

Starstreak (UK):

  • Range. 7,000m
  • Cost. $200,000+ per missile
  • Method. Laser-guided, kinetic

Limitations:

  • Extreme cost asymmetry ($200-400K vs $1-50K drones)
  • Designed for aircraft (IR signatures)
  • Small drone heat signature challenges
  • Stock depletion concerns

Market Reality:

  • Not economically viable for Group 1-2 drones
  • Reserved for Group 4-5 threats (Shahed-class)
  • European stockpiles. Limited (100s, not 1,000s)

6.3.2 Vehicle-Launched Systems Coyote (Raytheon, USA):

  • Range. 10+ km
  • Cost. ~$100,000-150,000 per interceptor
  • US Army procurement. 6,700 units (2025-2029)
  • Effectiveness. High (kinetic kill vehicle)

IRIS-T SLS (Germany):

  • Range. 25 km
  • Cost. $500,000+ per missile
  • Application. Group 4-5 threats, aircraft

Market Analysis:

  • European procurement. €1-2B (2026-2030)
  • Secondary priority (cost concerns)
  • Focus. High-value asset protection

6.4 Directed Energy Weapons (DEW)

6.4.1 High-Energy Laser (HEL) Technology Principle:

  • Focused laser beam (20-100+ kW)
  • Burn-through drone structure/electronics
  • Effective range. 1-5 km
  • Speed of light engagement

Leading European Programs. Germany (Leading investment):

  • Rheinmetall HEL. 20kW (operational), 100kW (development)
  • Deployment. 2026-2027 initial systems
  • Cost. $200,000-500,000 per system (projected)
  • Advantages. Low cost per shot ($1-10), unlimited magazine

UK:

  • DragonFire. 50kW+ demonstrator
  • Trials. Successful intercepts 2024-2025
  • Deployment. Late 2020s

France:

  • Notably lacking military laser C-UAS program
  • Gap in capability vs Germany/UK

Performance Metrics:

  • Engagement cost. $1-10 per shot (electricity)
  • Range. 1-5 km (atmospheric conditions dependent)
  • Effectiveness. 80-95% (clear weather)
  • Rate of fire. Near-instantaneous retargeting

Limitations:

  • Weather. Rain, fog, dust degrade effectiveness 50-90%
  • Power requirements. 20-100+ kW (vehicle integration)
  • Thermal management. Cooling systems needed
  • Range limitation. Atmospheric absorption

Market Analysis:

  • European market. €2-4B (2026-2030)
  • Fastest CAGR. 30%+
  • Germany leading investment
  • Timeline. 2027-2030 widespread deployment

6.4.2 High-Power Microwave (HPM) Technology Principle:

  • Directed electromagnetic pulse
  • Disable drone electronics
  • Area effect (vs laser point)
  • Range. 500m-2km

Leading Systems:

  • Epirus (USA). Leonidas HPM
  • Raytheon. PHASER
  • European programs. Limited/classified

Performance:

  • Swarm effectiveness. High (area coverage)
  • Cost per engagement. $10-50
  • Effectiveness. 60-80% (depends on shielding)

Limitations:

  • Short range vs laser
  • Cannot destroy (only disable)
  • Requires drone landing in controlled area
  • Collateral electronic damage risks

Market Analysis:

  • European market. €500M-1B (2026-2030)
  • Emerging technology
  • Swarm defense focus

7 Command & Control Integration

7.1 C-UAS C2 Architecture Requirements:

  • Multi-sensor data fusion
  • Automated threat assessment
  • Effector coordination (soft-kill, hard-kill)
  • NATO interoperability (Link 16, etc.)
  • Real-time engagement decision support

Leading Platforms:

  • Thales. Ground Master C-UAS C2
  • Leonardo. Falcon Shield C2
  • HENSOLDT. TARANIS C2
  • Elbit (Israel). ReDrone C2

Performance:

  • Simultaneous track capacity. 100-500+ targets
  • Decision latency. <2 seconds
  • Multi-effector coordination. Automated prioritization

7.2 NATO Integration Standards

  • STANAG 4586 (UAS interoperability)
  • Link 16 data exchange
  • Common operational picture (COP)
  • Cross-domain coordination (air, ground, naval)

7.3 AI & Machine Learning

  • Automated target classification
  • Threat trajectory prediction
  • Optimal effector selection
  • False alarm reduction (85-95% improvement)

Market Analysis:

  • European market. €1-2B (2026-2030)
  • Critical enabler for layered defense
  • Software-as-a-service models emerging
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