Product Overview The XH-LRR-540 adopts a highly integrated MMIC millimeter-wave chipset operating in the 76–79 GHz band, combining FMCW + DDMA modulation with an 8T8R antenna array to deliver high-density point cloud imaging. It provides a 350 m vehicle detection range with ±0.032 m range accuracy and ±0.1° angular accuracy, and adds elevation measurement (−15° to +15°) so it can distinguish overhead targets such as overpasses and traffic signs from ground-level obstacles. The sensor outputs target range, angle, relative velocity and an 81,920 points-per-second point cloud in real time, with a data refresh rate of 50 ms. The radar can be mounted at the front bumper or grille of passenger cars, commercial vehicles and other intelligent driving platforms, serving as the primary forward perception sensor. The millimeter-wave band offers exceptional environmental penetration and is unaffected by light, darkness, fog, smoke, dust or light rain, ensuring stable all-weather operation. Designed to ASIL B functional safety, the unit supports CAN and 100 Mbps automotive Ethernet, with switchable output between point cloud and object track modes. Its compact size, high sensitivity and stable performance make it well suited for highway NOA, urban assisted driving and parking-integrated domain control architectures.
| Parameter Name |
Parameter Value |
| Operating Frequency |
76 - 79GHz |
| Antenna Configuration |
8T8R MIMO |
| Radar Modulation |
FMCW & DDMA |
| Input Voltage |
12V / 24V |
| Total Power Consumption |
12W |
| Data Refresh Rate |
50ms |
| Data Output Mode |
Point Cloud / Target Track |
| Point Cloud Density |
81,920 points/second |
| Functional Safety |
ASIL B (ISO 26262) |
| Communication Interface |
CAN / 100Mbps Ethernet |
| EIRP |
≤39dBm |
| Max Vehicle Detection Range |
350m |
| Range Accuracy |
±0.032m |
| Range Resolution |
0.076m |
| Speed Range |
-400 ~ 200km/h |
| Speed Accuracy |
±0.022m/s |
| Azimuth Range |
-60° ~ +60° |
| Azimuth Accuracy |
±0.1° |
| Azimuth Resolution |
1.1° @ 0° |
| Elevation Range |
-15° ~ +15° |
| Elevation Accuracy |
±0.1° |
| Elevation Resolution |
2.2° @ 0° |
| Dimensions (excl. connectors) |
88mm × 65mm × 17.3mm |
| Weight |
130g |
| Waterproof Rating |
IP6K7 & IP6K9K |
Passenger vehicle L2+ mass production: Primary forward perception sensor supporting ACC adaptive cruise control, AEB autonomous emergency braking and FCW forward collision warning Highway and urban NOA: Pre-fusion or post-fusion with cameras and LiDAR for long-range target detection and trajectory tracking Integrated driving-parking domain control: Obstacle detection, recognition and trajectory output for low-speed parking and congested urban scenarios Commercial vehicles, Robotaxi and Robobus: Primary forward perception and side blind-spot compensation across intelligent driving platforms Replacement for 4-cascade setups: Achieves equivalent performance with a dual-cascade configuration, lowering vehicle BOM cost and packaging complexity
