T-Series X-band Low-Altitude Surveillance Radar (SDL-T20)
X-band low-altitude surveillance radar with DBF elevation scanning for 20 km UAV detection and wide-area target tracking.
- Mechanical azimuth scanning + elevation DBF architecture
- 20 km long-range UAV detection capability
- High-precision multi-target tracking
- All-weather continuous surveillance
Product Details
Product Overview
The SDL-T20 low-altitude surveillance radar combines azimuth mechanical scanning with elevation digital beamforming (DBF) to provide continuous 360° coverage and accurate moving target tracking. It delivers stable all-weather performance and supports detection of UAVs, helicopters, and vehicles up to 20 km. With high sensitivity and improved tracking precision, it is suitable for perimeter security, airspace monitoring, and critical infrastructure protection.
Key Specifications
| Working frequency | X-band |
| Operating Mode | Azimuth Mechanical Scanning, Elevation Digital Beamforming (DBF) System |
| Elevation Field of View | -5° ~ 60° |
| Horizontal Field of View | 360° |
| Detection Altitude | 3000m |
| Range | 20km |
| Detection Range | ≥10 km (small rotorcraft UAV, RCS=0.01 m², DJI Phantom 4) ≥20 km (medium fixed-wing UAV, RCS=1 m²) ≥20 km (helicopter, vehicle) |
| Angle Measurement Accuracy | Azimuth: ≤0.3° (RMS) Elevation: ≤0.3° (RMS) |
| Distance Measurement Accuracy | 5m (RMS) |
| Blind Zone | 50m |
FAQ
- What is the main function of the SDL-T20 radar?
- It is designed for long-range low-altitude surveillance, including UAV detection, helicopter tracking, and vehicle monitoring.
- What is the advantage of DBF in the SDL-T20 system?
- Digital Beamforming improves elevation accuracy, target resolution, and tracking stability in complex environments.
- What targets can it detect?
- It can detect small UAVs, medium fixed-wing UAVs, helicopters, and vehicles depending on radar cross-section and distance.
- Is the radar suitable for continuous operation?
- Yes. It is designed for 24/7 all-weather operation in outdoor surveillance environments.
- How does SDL-T20 compare with other T-Series models?
- The SDL-T20 offers extended detection range up to 20 km, making it a higher-performance option than SDL-T18 and SDL-T10 for larger surveillance areas.




