The VK OA-R21 is a high-performance 79GHz millimeter wave obstacle avoidance radar designed for industrial and agricultural UAVs, UGVs, and autonomous vehicles. With its advanced detection capabilities, compact form factor, and robust environmental adaptability, it is ideal for scenarios requiring precise target tracking, anti-interference, and reliable autonomous obstacle avoidance.
Key Features
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Stable Target Tracking: Accurately locks and tracks targets over 20 meters, enabling precise autonomous avoidance during flight or movement.
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High Resolution & Accuracy: Compared with 24GHz radars, the OA-R21 offers 3x higher spatial resolution with superior object recognition accuracy.
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Strong Anti-Interference: Operates reliably even in complex terrains, poor weather, or strong electromagnetic interference from UAVs.
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Compact & Versatile: With a compact 55×52×1.6mm PCB size, it integrates easily into diverse platforms without adding bulk.
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79GHz Narrow Beamwidth Design: Ensures accurate detection while minimizing interference and maximizing sensitivity for close-range applications.
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Rugged Build: IP67 waterproof rating, suitable for outdoor and all-weather environments.
Technical Specifications
| Feature | Parameter | Value |
|---|---|---|
| Antenna Beamwidth (H) | Horizontal 3dB Beamwidth | ±15° |
| Antenna Beamwidth (V) | Vertical 3dB Beamwidth | -7°~+1° |
| Max EIRP | Equivalent Isotropic Radiated Power | 30dBm |
| Detection Range | Distance Measurement | 1.5–27m |
| Accuracy | Distance Accuracy | ±0.1m |
| Resolution | Distance Resolution | 0.12m |
| Transmit Frequency | Operating Frequency | 79GHz |
| Update Rate | Refresh Rate | 20Hz |
| Bandwidth | Modulation Bandwidth | 1.4GHz |
| Operating Voltage | Power Input | 5–24V |
| Operating Temp. | Environmental Range | -40°C to +75°C |
| Power Consumption | Max Power | ≤3W |
| Protection Rating | Waterproof & Dustproof | IP67 |
| Data Interface | Communication | CAN |
| Dimensions | PCB (L×W×H) | 55×52×1.6mm |
Installation Instructions
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Recommended installation tilt angle: 12°, within a range of 0° to 12° for optimal detection performance.
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Cable outlet should be oriented to the right when mounted on the UAV or vehicle platform.
This module enhances autonomous navigation and safety in complex outdoor environments, making it ideal for drones and robots that operate in precision agriculture, logistics, mapping, and environmental inspection.
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