RoboSense EM4

The Worlds First “Thousand-Beam” Long-Range Digital LiDAR

RoboSense EM4: Ushering in the Thousand-Beam Era of Automotive LiDAR

EM4 is the first long-range digital LiDAR on the EM platform, launching a new chapter in automotive sensing the thousand-beam era .

Powered by RoboSenses cutting-edge digital architecture, it features:

• Crosstalk elimination

• All-condition optical signal processing

• Lossless data compression

With up to 1080 beams, a 600m detection range, and a blazing 25.92 million points/sec, EM4 sets a new benchmark for performance .

Offering 1080P high-definition 3D perception, EM4 transforms how vehicles see the world driving L3+ autonomous tech into a smarter, sharper future .

Features

1080-beam Max number of beams

120 27 Field of View (FOV)

25.92 Million pts/s Points per second

SPAD-SoC Digital architecture

600m Longest detection range

60% Data compression ratio

600m Ultra-Long Range, Ultimate Safety

EM4: Pushing the Boundaries of Automotive Perception

As the most advanced digital LiDAR on the market, EM4 delivers an industry-leading 300m@10% reflectivity detection range and a maximum reach of 600m setting a new benchmark for long-range sensing.

This extended range boosts the response window of intelligent driving systems by up to 70% , enabling smarter, faster, and more confident decision-making on the road .

With its ultra-high-definition perception and precision timing, EM4 ensures unparalleled safety and comfort, redefining the driving experience for next-gen autonomous vehicles .

Compared to a 200m LiDAR, EM4 detects the same obstacle 400m earlier. Thats a 3 1.732 longer decision window a 70% improvement in reaction time.

The Worlds 1st “Thousand-Beam” LiDAR

RoboSense EM4: The Worlds First 1080-Beam Automotive LiDAR

EM4 delivers stunning 1080P high-definition 3D perception, setting a new benchmark for vehicle awareness and autonomy .

With ultra-precise angular resolution of 0.050 0.025 and long-range detection up to 600m, it can accurately spot small, distant objects like tires , traffic cones , and cardboard boxes even in complex environments.

EM4 empowers intelligent driving systems to exceed NHTSA active safety standards, offering unmatched confidence for L3+ autonomous driving and next-gen ADAS .

According to FMVSS No. 127 (April 29, 2024), vehicles must auto-brake at 90 mph (145 km/h) to avoid collisions and at 45 mph (72 km/h) when detecting pedestrians . EM4s extended range gives a 3 1.732 longer reaction window a 70% boost in decision time .

Accurate Detection of Distant Objects

• High-Speed Object Detection

  Capable of detecting low-reflectivity black cardboard boxes (40 25 cm) at distances up to 250 meters, the EM4 enables emergency braking or evasive maneuvers at speeds reaching 181 km/h (*measured value). This long-range precision empowers autonomous vehicles to respond rapidly to unexpected obstacleseven at highway speeds.

• Long-Range Vehicle Detection

  The EM4 LiDAR precisely detects white vehicles at distances up to 600 meters, enabling emergency braking or evasive action at speeds reaching 289 km/h (*measured value). This ultra-long-range capability ensures reliable response time for high-speed autonomous driving and highway safety scenarios.

• Black Tire

  Accurately detects a stray tire within 170m, supporting emergency avoidance or braking at speeds up to 147km/h (*measured value).

• Traffic Cone

  Precisely identifies traffic cones within 300m, allowing emergency avoidance or braking at speeds up to 200km/h (*measured value).

Exclusive Technologies for All-Condition Mastery

Powered by cutting-edge proprietary tech, EM4 delivers a full-spectrum upgrade in perception clarity:

High-reflection blooming suppression Noise reduction in rain, fog, and dust Contamination resistance for long-term reliability

These innovations empower autonomous driving systems to maintain crystal-clear, ultra-precise environmental awareness no matter the weather, terrain, or visibility conditions .

Ushering in the Digital LiDAR Era with EM4

The EM4 marks a leap forward in LiDAR innovation, powered by RoboSenses next-generation digital architecture. Featuring the advanced SPAD-SoC and VCSEL chips , this cutting-edge design delivers high-sensitivity digital detection, dramatically streamlining signal processing and transmission.

The result? Lossless data flow and Ultra-high-quality point cloud generationsetting a new benchmark for precision and performance in long-range LiDAR systems.

Efficient Lossless Compression Smarter Bandwidth, Seamless Data

The EM4 leverages cutting-edge real-time lossless compression technology , shrinking data throughput from several Gbps to just a few hundred Mbpsachieving up to 60% compression efficiency . This dramatically reduces bandwidth demand while preserving the integrity of ultra-high-definition point cloud data .

Best of all, EM4 is fully compatible with existing in-vehicle Ethernet systems no extra upgrade costs, no integration headaches.

Packing list