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Industrial Radar Sensor

Industrial Radar Sensors for Demanding Applications

High-performance radars

VDO presents a new generation of compact, high-performance radar sensor. It serves both as a versatile solution for diverse applications and as an entry-level model. Despite its compact and robust design, it enables safe, reliable, and precise measurements for collision avoidance, distance control, and long-range monitoring in demanding environments.

ARS 404-21 Entry

Long Range Radar Sensor 77 GHz

The ARS 404-21 is a compact, robust FMCW (Frequency Modulated Continuous Wave) radar sensor from the 40X series, designed for diverse applications in vehicles and industry, combining high measurement performance with reliability and safety.

Features

This innovative radar sensor is the entry-level model in the 40X series – flexibly adaptable for various applications.
Anti-collision protection and distance control for all types of vehicles, especially autonomous systems.
Long-range area monitoring of hazardous or inaccessible areas.
Object detection and classification, even in cluttered or challenging environments.
Discreet integration behind a protective cover (radome) for concealed object detection.
FMCW radar with very fast ramps for precise distance and velocity measurement.
Measures distance and relative velocity based on the Doppler principle of objects without reflectors in a single measurement cycle.
Real-time scanning with 20 measurements per second for rapid response to dynamic situations.
Long range up to 170 m, including simultaneous measurement of distance, relative velocity, and angular relationship between objects.
Robust, highly compact design – high reliability, fault detection, and automatic error reporting.

More Information About ARS 404-21

Simultaneous distance and velocity measurement. Doppler-based FMCW radar delivers precise distance and velocity data in a single measurement cycle.
Wide measurement range. Standard range from 0.20 m to 170 m, optionally extendable to 1,000 m with ARS 404-21SC1 for long-range applications.
High measurement accuracy. Distance accuracy ±0.10 m and velocity accuracy ±0.1 km/h for reliable detection and control.
Wide field of view at close range. Azimuth FoV of ±45° and elevation of 18° enable comprehensive environmental monitoring close to the sensor.
Fast measurement cycle. Complete near and far fields are acquired in approximately 60 ms for timely responses.
Digital beamforming. Six antenna channels ensure directional beamforming and improved target separation.
Wide velocity range. Detects relative speeds from -400 km/h to +200 km/h for a wide range of mobility applications.
Robust automotive housing. Protection classes IP6K9K and IP6K7 ensure resistance to water, high-pressure cleaning, and dust.
Wide power supply range. Operates on +8 to 32 V DC for flexible integration into vehicle and machine environments.
Compact design. Dimensions 137 × 69 × 34 mm and weighing only approx. 172 g, ideal for space-saving installations.
Fail-safe self-monitoring. Integrated diagnostic functions increase operational reliability and support predictive maintenance.
CAN interface. High-speed CAN with 500 kbit/s for reliable connection to ECUs.
Wide temperature range. Reliable operation from -40 °C to +85 °C for harsh operating conditions.
Configurable collision zones. Adjustable sensitivity and collision zones (ARS 404-21) to adapt to project-specific safety requirements.

ARS 408-21 Premium

Long Range Radar Sensor 77 GHz

The ARS 408-21 is a compact, high-performance radar sensor for reliable anti-collision protection, distance control, and area monitoring – ideal for autonomous applications. Utilizing advanced FMCW technology, it detects the distance, speed, and angle of objects in real time up to 250 m. Its robust, automotive-proven design allows for discreet integration.

Product features

Compact, high-performance radar sensor for anti-collision, distance control, and area monitoring
FMCW radar technology with fast ramps for precise real-time measurement
Range up to approximately 250 m for short- and long-range applications
Measures distance, relative velocity, and angle in a single cycle
Robust, automotive-proven design for harsh environments
Fail-safe design with automatic fault detection
Discreet integration possible, e.g., behind a radome
Ideal for autonomous and safety-critical applications

More Information About ARS 408-21

Precise detection of natural targets. The sensor reliably measures natural objects at both near and far ranges; a special reflector is not required.
Long distance range. Distance measurements up to 250 m in the long range; extendable to 1,200 m with the ARS 408-21SC1 variant.
Wide horizontal field of view. In the near range, the azimuth field of view covers up to ±60°, and in the far range up to ±9°, ideal for monitoring large areas.
High measurement accuracy. Distance accuracy up to ±0.10 m in the near range and angular accuracy up to ±0.1° in the far range for precise object localization.
Wide speed range. Detects relative speeds from −400 km/h to +200 km/h with an accuracy of ±0.1 km/h, suitable for fast vehicles and moving machinery.
Fast measurement cycles. Measurement cycles of approximately 72 ms enable simultaneous near- and far-field detection and rapid response in safety-critical applications.
Advanced antenna system. 24-channel antenna system with digital beamforming for improved target separation and directivity.
Robust for harsh environments. Fully functional from -40 °C to +85 °C, shock and vibration resistant, and resistant to salt spray and corrosion – ideal for commercial vehicles, off-highway applications, and industrial use.
High protection ratings. IP6K9K (dustproof, pressure-cleanable) and IP6K7 (briefly submersible), including ice-water shock tests.
Wide power supply range and protection. Operates on 8 to 32 V DC, with integrated load-dump protection and a high-speed CAN interface with an open protocol.
Safety-oriented fail-safe design. Integrated self-monitoring increases operational reliability and supports predictive maintenance.
Flexible configurations. Up to 8 CAN IDs and up to 8 configurable collision zones with adjustable sensitivity (low/high) for precise adaptation to project requirements.

ARS 548 RDI Premium

Long Range Radar Sensor 77 GHz

The ARS 548 RDI is the new high-performance radar sensor, developed for demanding industrial applications and as a premium upgrade to the 50X series. It enables reliable collision warning, distance control, area monitoring, object classification including height measurement, and object detection even in areas with limited visibility.

Product Features

Collision warning, distance control (headway control), area monitoring, object classification including height measurement, object detection in obscure or heavily frequented areas
Can also be used behind a radome – sensor protection without loss of core functionality
Distance, relative velocity (Doppler principle), and angle of objects without a reflector
Pulse compression with new frequency modulation for improved range resolution across the entire field of view (FOV)
Target detection up to 300 m
Real-time scan rate: approx. 20 measurements per second for dynamic applications
Simultaneous output of distance, relative velocity, and azimuth and elevation angles for multiple targets with high resolution
High measurement performance combined with a high level of functional safety, including real-time collision risk detection
Robust design for continuous operation in harsh environments and for high-volume production in the automotive supply industry
Modern, new design combined with the latest radar technology for high performance and long service life

More Information About ARS 548 RDI

Reliable long- and short-range detection. The sensor detects natural targets up to 300 m as standard and can be optionally extended to 1,500 m for long-range monitoring and early collision warning.
High speed tolerance. Reliable measurements in the range of -400 km/h to +200 km/h enable use in vehicles and mobile machinery.
Fine distance resolution. With a distance resolution of 0.22 m, the system is ideal for precise distance control and safe object separation.
Reliable distance accuracy. The distance accuracy is ±0.15 m (depending on the vehicle's speed) and delivers consistent results even in dynamic scenarios.
Precise angle measurement. Azimuth and elevation measurements achieve accuracies of up to ±0.1°, supported by narrow radar beamwidths for pinpoint localization.
Wide horizontal field of view. The azimuth field of view (FoV) ranges internally to ±60° (output ±50°) and can be extended to ±70° for specific applications.
High-resolution antenna architecture. With 192 virtual antennas (16 Rx / 12 Tx), digital beamforming, and a Doppler-based measurement principle, the platform delivers high resolution and reliable target separation.
Fast cycle times. The measurement cycles are approximately 100 ms at standstill and ~50 ms during operation, ensuring rapid coverage of the entire field of view.
Durable hardware. The components are designed for up to 8,000 hours / 15 years / 300,000 km and have been tested for shock and vibration resistance.
Reliable operation under extreme conditions. The sensor operates reliably from -40 °C to +85 °C, can be stored up to +105 °C, and withstands harsh environments.
Efficient and compliant with standards. ETSI and FCC compliant operation with a typical power consumption of ~18 W (max. ~23 W) and integrated overvoltage protection.
Compact, robust housing. Dimensions 137 × 90 × 39 mm (65.5 mm with connector), weight approx. 526 g, housing made of glass-fiber reinforced PBT and die-cast aluminum.
Modern networking. BroadR-Reach Ethernet 100 Mbit/s enables direct connection to ECUs, edge computers, and modern networks; the ARS 548 RDI delivers ready-to-use object data.
Integrated diagnostics. Self-monitoring functions detect malfunctions and environmental problems and support predictive maintenance.
Flexible options and easy installation. Various mounting positions, extended range, connector types, and a special 80 GHz variant for China are available; installation is quick and easy using the three included screws.

SRR 308-21

Short Range Radar

The SRR 308-21 is a compact radar sensor that combines safety, reliability, and high performance in a small housing. Typical applications range from simple collision avoidance and distance control for vehicles (especially autonomous systems) to area monitoring and all-around vision, as well as object detection in areas with poor visibility or restricted access.

Product Features:

The SRR 308-21 offers fail-safe self-monitoring and automatically reports malfunctions to ensure safe operation.
This compact sensor combines a small design with high measurement performance and can be integrated into vehicles and machines in a space-saving manner.
In a single measurement cycle, the device simultaneously records distance, relative velocity, and angular relationships to multiple objects.
The measurement method is based on the Doppler principle and pulse compression modulation (PCM) with very fast ramps for reliable results.
The sensor scans in real time at approximately 25 measurement cycles per second, enabling rapid responses in safety-critical situations.
Distance measurements are possible up to 95 m; multiple targets are detected simultaneously and recorded separately.
The robust housing is shock- and vibration-resistant and designed for harsh industrial and automotive environments.
Typical applications include collision avoidance, distance control, area monitoring, all-around visibility, and object detection in complex environments.
Configurable collision zones and adjustable sensitivity allow for project-specific adaptation of the detection capabilities.
Standardized interfaces and the compact form factor facilitate installation and integration with control units and control networks.

More information About SRR 308-21

Long range. Detects natural targets up to 300 m as standard, optionally extendable to 1,500 m for long-range monitoring and early collision warning.

Wide speed range. Reliable measurements from −400 km/h to +200 km/h (or ±300 km/h for SRR variants) for vehicles and mobile machinery.

Precision and resolution. Distance resolution of 0.22 m (or 1.0 m for SRR spot measurement) with distance accuracies of up to ±0.10…±0.5 m depending on the model and distance.

Large field of view. Horizontal field of view up to ±60° (extendable) and vertically adjusted to the distance (e.g., ±14° at close range / ±4° at 300 m) for near and far monitoring.

Advanced antenna and measurement architecture. Up to 192 virtual antennas or 24/8 channels depending on the variant, digital beamforming, and Doppler/FMCW technology for reliable target separation.

Real-time performance and robustness. Cycle times ~40–100 ms, operating temperature -40 °C to +85 °C, IP6K9K/IP6K7 protection ratings, LV-124 compliant durability, and shock/vibration resistance.

Easy integration and safety. BroadR-Reach Ethernet or high-speed CAN, integrated diagnostics (fail-safe), configurable CAN IDs, and up to 8 collision zones for project-specific customization.