WINTOP TECHNOLOGY DFJ83 – Fixed Low-Altitude Detection & Defense System
As a professional manufacturer and exporter of low-altitude security equipment, WINTOP TECHNOLOGY presents the DFJ83—a cutting-edge fixed-site solution engineered to safeguard airspace with passive radio detection and intelligent counter-drone capabilities.
Key Product Advantages
✅ Precise Multi-Target Identification
Detects and identifies drone serial numbers, flight direction, distance, GPS coordinates (latitude/longitude), altitude, and speed—delivering real-time, actionable insights.
✅ Smart Black/White List Management
One-key white-listing for authorized drones (no false alarms). Black/white lists are permanently stored(power-cycle resistant) to ensure seamless, error-free operations.
✅ 24/7 Unattended Operation
Supports autonomous 7×24-hour detection, identification, and defense—no human intervention needed. Proactively blocks unauthorized UAV intrusions.
Technical Specifications
Detection Band: 30MHz ~ 6GHz (full-spectrum coverage)
Detection Range: Up to 8km
Jamming Range: Up to 3km
Power Supply: AC 110V ~ 240V (wide-voltage compatibility)
Dimensions: 513mm × 462mm × 309mm (excluding antenna)
Weight: 40kg
Operating Temperature: -25℃ ~ +55℃ (harsh environment resilience)
Protection Rating: IP66 (dustproof & waterproof)
Ideal Applications
Airports | Ports & Harbors | Critical Infrastructure | Government Facilities | Prisons | Large-Scale Events
🏢 I. Core Functions & Working Mechanisms
Q1: What specific telemetry and flight metrics can the DFJ83 capture during the 'Precise Identification' process?
WINTOP: During the precise identification phase, the DFJ83 actively decodes drone signals to extract critical metrics, including the drone's unique serial numbers, real-time heading direction, distance, precise latitude/longitude coordinates, flight altitude, and speed. This ensures comprehensive tracking data for security operators.
Q2: How does the Black/White List feature in the DFJ83 minimize operational fatigue for security personnel?
WINTOP: The DFJ83 supports a convenient one-key marking of white lists. Once friendly or authorized local drones are whitelisted, the system continues to detect them normally for situational awareness but will not trigger alerts or automatic countermeasures, preventing unnecessary panic and alert fatigue.
Q3: If a facility experiences a sudden power blackout, will our customized Black/White list data be erased or reset?
WINTOP: No, your configuration is highly secure. The black/white list in the DFJ83 is permanently recorded at the hardware firmware level and remains completely unaffected by power cycles or system reboots, ensuring immediate perimeter restoration upon power recovery.
Q4: Our project requires continuous monitoring but lacks dedicated onsite operators. Can the DFJ83 handle this autonomously?
WINTOP: Absolutely. The DFJ83 natively supports 7*24 hour automatic Unattended Operation. The built-in software loop executes detection, identification, and defense countermeasures autonomously with no human intervention required, effectively preventing rogue drone intrusions around the clock.
📊 II. RF Performance & Coverage Range
Q5: Commercial and DIY drones often utilize custom or shifted frequencies. What is the actual spectrum coverage of the DFJ83?
WINTOP: To counter frequency-shifting threats, the DFJ83 features an ultra-wide RF receiver frontend covering a continuous Detection Frequency Band from 30MHz to 6GHz, effectively spanning standard commercial Wi-Fi bands, FPV/DIY ranges, and satellite navigation frequencies.
Q6: What are the maximum effective range limits for the detection and jamming capabilities of the DFJ83?
WINTOP: The system provides a highly competitive passive Detection Distance of 0 to 8km, giving teams ample early warning time. When an active mitigation response is needed, its targeted Jamming Distance spans from 0 to 3km.
Q7: Does the 0 to 3km jamming distance apply to all covered frequency bands simultaneously?
WINTOP: Yes, the multi-channel RF power amplifiers are calibrated to project a stable, high-density countermeasure envelope up to a 3km radius across core drone control and GNSS frequencies, depending on localized line-of-sight and environmental terrain interference.
⚡ III. Electrical & Physical Specifications
Q8: What are the working voltage constraints of the DFJ83 for overseas grid integration?
WINTOP: The DFJ83 is designed for global deployment, engineered with an industrial-grade wide-voltage adaptive power supply supporting an Operating Voltage of AC 110V to 240V, making it highly compatible with standard international power grids.
Q9: What are the exact structural physical dimensions of the DFJ83 core chassis?
WINTOP: The main Device Dimensions of the DFJ83 chassis are 513mm × 462mm × 309mm. Please note that this listed volumetric metric explicitly excludes the top-mounted antenna arrays and bottom mounting brackets.
Q10: We are evaluating roof-load and mast mechanical stress. What is the net weight of the DFJ83 unit?
WINTOP: The net Device Weight of the DFJ83 is exactly 40kg. Its ruggedized yet compact enclosure is structurally optimized to minimize rotational torque and aerodynamic drag when installed on heavy-duty security masts or rooftops.
🌍 IV. Environmental Resilience & Cooling
Q11: Can the DFJ83 withstand high-temperature desert environments or extreme sub-zero coastal winters?
WINTOP: Absolutely. The DFJ83 is built for global temperature extremes, supporting a certified Working Temperature rating of -25°C to +55°C, ensuring reliable internal clock cycles and semiconductor protection under prolonged exposure.
Q12: How does the enclosure protect internal components against fine micro-dust, sandstorms, and heavy downpours?
WINTOP: The chassis achieves an exceptional IP66 Protection Rating. This guarantees that the unit is completely dust-tight against micro-particles and fine desert sand, while providing robust resilience against heavy, high-pressure water jets from any direction.
Q13: The front panel features two prominent circular grilles. Is the cooling system active, and does it compromise the IP66 sealed cavity?
WINTOP: The DFJ83 utilizes an advanced split-cavity thermal design. The two front-facing heavy-duty fans drive forced-air active cooling through external heatsink channels, keeping electronic components cool without ever exposing the fully sealed IP66 internal circuit chamber to outside dust or moisture.
🛡️ V. Field Deployment & Third-Party Integration
Q14: As a passive radio sensor, does the detection module of the DFJ83 emit any visible RF signatures during idle states?
WINTOP: No. During the detection and identification phases, the DFJ83 operates entirely via passive radio interception. It listens to the electromagnetic environment without emitting any radar waves or RF signals, remaining completely cloaked, eco-friendly, and legally compliant for civil applications.
Q15: Can the active mitigation/jamming array disrupt municipal Wi-Fi networks or local cellular infrastructure?
WINTOP: The jamming module employs precise, targeted mitigation waveforms rather than indiscriminate broad-spectrum noise. It directs high-density energy narrowly into the drone's localized receiving channels to avoid cross-interference with public telecom or industrial networks.
Q16: To achieve the maximum 8km detection range, what is the optimal installation height recommended for the DFJ83?
WINTOP: For optimal 30MHz to 6GHz line-of-sight propagation, we recommend mounting the DFJ83 at a minimum height of 15 to 25 meters above the ground, preferably on facility building rooftops, dedicated steel towers, or high-elevation security masts to clear surrounding obstructions.
Q17: Does WINTOP provide standardized API/SDK protocols for fusing the DFJ83 data into existing VMS security centers?
WINTOP: Yes, we provide comprehensive, open SDK and API technical documentation. The precise tracking data stream (coordinates, drone serial numbers, speed) can be seamlessly integrated into third-party PSIM or VMS platforms to automate PTZ camera tracking or central alarm systems.
Q18: How does the system handle the threat of multiple rogue drones attacking from different azimuth angles simultaneously?
WINTOP: The DFJ83 software architecture is optimized for multi-target tracking. The passive spectrum analyzer scans all azimuths concurrently via the top antenna, while the multi-band countermeasure array can suppress cluster threats by sweeping targeted jamming profiles across wide angular sectors.
Q19: How are new drone RF signatures and encryption methods updated within the DFJ83 threat library?
WINTOP: Thanks to its Software-Defined Radio (SDR) underlying architecture, the DFJ83 does not require hardware retrofitting. WINTOP pushes regular remote firmware updates containing updated decryption protocols and signature patterns to keep the system relevant against emerging low-altitude threats.
Q20: What field-ready physical installation mounting bracket options are supported at the base of the DFJ83?
WINTOP: The bottom of the DFJ83 chassis is engineered with heavy-duty structural mounting patterns. It supports heavy-duty hoop-type assemblies for quick secure attachment onto industrial security poles, as well as flat-surface flange bolt arrays for structural concrete rooftop anchor installations.
