Chengtech

Chengtech's self-developed new-generation 77 GHz 4D imaging millimeter-wave forward radar for L2+ assisted driving, featuring real-time point cloud imaging with high target resolution and recognition capability. Operating frequency 76-79 GHz, antenna channels 6T8R, FMCW & DDMA scheme; maximum vehicle detection range 350 m; range resolution 0.076 m, range accuracy ±0.032 m; velocity range -400~200 km/h, velocity accuracy ±0.022 m/s; azimuth range ±60° (accuracy ±0.1°, resolution 1.1°@0°), elevation range ±15°; data output refresh rate 50 ms, point cloud 81920 points per second, functional safety level ASIL B; data interfaces CAN/100 Mbps Ethernet; operating voltage 12 V/24 V, power consumption 12 W, weight 130 g, waterproof rating IP6K7 & IP6K9K, dimensions 88 mm × 65 mm × 17.3 mm. Adopts a dual-cascade solution (comparable to the industry's 4-cascade performance) with a localization rate above 95%.

6T8R; detection range 350 m; range resolution 0.076 m; point cloud 81,920 points/s; ASIL-B

• L2+ forward assisted driving
• Forward perception such as forward collision warning/automatic emergency braking
• Early-fusion point cloud output and multi-sensor fusion strategies
• Front radar for passenger/commercial vehicles (12 V/24 V supported)

Chengtech's self-developed 77 GHz long-range millimeter-wave radar (marked in the official website's development history as the 5.5th-generation 4D high-resolution forward radar launched in 2023). It adopts an integrated new-generation domestic RFCMOS SoC solution; operating frequency 76-79 GHz, antenna channels 4T4R, FMCW scheme; accurately measures the distance, speed and angle of target vehicles within 260 m ahead of the vehicle, and enables L2+ intelligent assisted driving functions such as Forward Collision Warning (FCW), Automatic Emergency Braking (AEB) and Adaptive Cruise Control (ACC). Range resolution 0.21-0.5 m, range accuracy ±0.1 m; velocity range -111 m/s to +55.5 m/s, velocity accuracy ±0.03 m/s; azimuth range ±60° (accuracy ±0.1°, resolution 2.5°), elevation range ±15°; point cloud 512 points, data output refresh rate 50 ms, supports dual CAN-FD channels and output of 40 tracked targets, functional safety level ASIL-B, supports AutoSAR architecture, automatic calibration/anti-interference/occlusion detection; complies with GB/T 33577-2017, GB/T 39901-2021, GB/T 38186-2019, JT/T 883-2014, JT/T 1242-2019 and other standards. Power consumption 2.5 W, weight 75 g, dimensions 59 mm × 59 mm × 18.7 mm, waterproof rating IP6K7 & IP6K9K.

4T4R; detection range 260 m; range resolution 0.21-0.5 m; point cloud 512 points; refresh rate 50 ms; ASIL-B

• L2+ forward assisted driving for passenger cars
• FCW forward collision warning
• AEB automatic emergency braking
• ACC adaptive cruise control
• Fusion with vision ADAS systems

Chengtech's self-developed 77 GHz long-range millimeter-wave radar (marked in the official website's development history as the 4D forward radar launched in 2022). It adopts an integrated new-generation domestic RFCMOS SoC solution; the antenna array is designed with wide and narrow beam frequency sweeping to improve angular resolution while covering the detection range. Operating frequency 76-79 GHz, antenna channels 4T4R, FMCW scheme; accurately measures the distance, speed and angle of targets within 220 m ahead of the vehicle, with the ability to resolve high-altitude targets. Range accuracy 0.1-0.25 m, range resolution 0.25-0.75 m; velocity range -111 m/s to +55.5 m/s; azimuth range ±45° (resolution 3°), elevation range ±8° (elevation height measurement supported); point cloud 256 points, data output refresh rate 50 ms, supports dual CAN-FD channels and output of 40 tracked targets, functional safety level ASIL-B, supports AutoSAR architecture, automatic calibration/anti-interference/occlusion detection; complies with GB/T 33577-2017, GB/T 39901-2021, GB/T 38186-2019, JT/T 883-2014, JT/T 1242-2019 and other standards. Adopts a MIMO + virtual aperture + DML super-resolution angle measurement solution. Power consumption 2 W, weight 71 g, dimensions 59 mm × 59 mm × 18.7 mm, operating voltage +6.0 V to +32.0 V DC, waterproof rating IP6K7 & IP6K9K. Supports FCW forward collision warning, AEB automatic emergency braking and ACC adaptive cruise control.

4T4R; detection range 220 m; range resolution 0.25-0.75 m; point cloud 256 points; refresh rate 50 ms; ASIL-B

• L2+ forward assisted driving for passenger/commercial vehicles
• FCW forward collision warning
• AEB automatic emergency braking
• ACC adaptive cruise control
• Fusion with vision ADAS systems

Legacy forward radar models disclosed in the 'About Chengtech' development history on the official website: CTLRR-100 (the first forward radar, released in 2017); CTLRR-320 (a forward radar for commercial vehicle models, officially launched in 2019); CTLRR-400 (released in 2020; according to CIC, China's first 5th-generation single-SoC 4D forward radar). The official website's product center currently has no dedicated product pages for these models, and their on-sale status cannot be confirmed.

CTLRR-100: first forward radar, released 2017; CTLRR-320: forward radar for commercial vehicles, launched 2019; CTLRR-400: China's first 5th-generation single-SoC 4D forward radar, released 2020

• Forward assisted driving for passenger/commercial vehicles (historical applications)

Chengtech's self-developed 77 GHz medium-range millimeter-wave radar (marked in the official website's development history as the 4D high-resolution corner radar launched in 2023), featuring high performance, economical cost, compact size and easy integration behind various bumpers. Operating frequency 76-79 GHz, antenna channels 4T4R, FMCW scheme; detection range 0.2-120 m, range accuracy ±0.1 m, range resolution 0.22 m; velocity range -85 m/s to +85 m/s, velocity accuracy ±0.08 m/s; horizontal FOV ≥150° (azimuth range ≥±75°, accuracy ±0.3°, resolution 4°), vertical FOV ≥24° (elevation range ≥±12°); point cloud 256 points, data output refresh rate 50 ms, maximum 64 tracked targets, calibration range ±6° supported, functional safety level ASIL-B, data interface 2 × CANFD, supports the integrated driving-parking function and information security, and detects stationary and moving targets (vehicles/pedestrians/obstacles). Power consumption <2.4 W, weight 70 g, dimensions 71.4 mm × 62 mm × 17.25 mm, waterproof rating IP6K7 & IP6K9K. Supports L2+ intelligent assisted driving functions such as Blind Spot Detection (BSD), Lane Change Assist (LCA), Door Open Warning (DOW), Rear Collision Warning (RCW), and Cross-Traffic Alert/Braking (CTA/CTB).

4T4R; detection range 0.2-120 m; range resolution 0.22 m; horizontal FOV ≥150°; point cloud 256 points; ASIL-B

• Corner radar for passenger cars (integrated in front/rear bumpers)
• BSD blind spot detection
• LCA lane change assist
• DOW door open collision warning
• RCW rear collision warning
• CTA/CTB cross-traffic collision warning/braking
• Integrated driving and parking

Chengtech's self-developed 77 GHz medium-range radar (marked in the official website's development history as the corner radar launched in 2022, with mass delivery of passenger-car corner radars since 2020), featuring high performance, economical cost, compact size and easy integration behind various bumpers. Operating frequency 76-79 GHz, antenna channels 2T4R, FMCW scheme; maximum vehicle detection range 100 m (maximum pedestrian detection range 50 m), detection range 0.5-100 m, range accuracy ±0.06 m, range resolution 0.225 m; velocity range -300 km/h to +300 km/h, velocity accuracy ±0.15 km/h; horizontal FOV 150° (azimuth range ±75°, accuracy ±0.5°, resolution 7°), vertical FOV 20° (elevation range ±10°); point cloud 128 points, data output refresh rate 50 ms, maximum 16 tracked targets, calibration range ±6° supported, functional safety level ASIL-B, data interface 2 × CANFD, detects stationary and moving targets (vehicles/pedestrians/obstacles). Power consumption 1.5 W, weight 66 g, dimensions 71.4 mm × 62 mm × 17.25 mm, waterproof rating IP6K7 & IP6K9K. Supports L2+ intelligent assisted driving functions such as Blind Spot Detection (BSD), Lane Change Assist (LCA), Door Open Warning (DOW), Rear Collision Warning (RCW) and Rear Cross-Traffic Alert (RCTA).

2T4R; detection range 0.5-100 m; range resolution 0.225 m; horizontal FOV 150°; point cloud 128 points; ASIL-B

• Corner radar for passenger cars (integrated in front/rear bumpers)
• BSD blind spot detection
• LCA lane change assist
• DOW door open collision warning
• RCW rear collision warning
• RCTA rear cross-traffic alert

Chengtech's 7th-generation central-computing architecture radar 'Sky Dome Perception Solution' adopts a satellite architecture design of front-end perception plus central computing, connecting high-fidelity raw data directly to the central domain controller, achieving hardware-software decoupling and a 100-fold increase in data volume, with single-frame point cloud density of over 6,000 points. The official product page lists two models: CTMRR-610 (operating frequency 76-79 GHz, 4 transmit/4 receive, FMCW & DDMA scheme, ranging 0.2-230 m, range accuracy ±0.05 m, resolution 0.2 m, velocity range -288~288 km/h, azimuth range ±75°, resolution 2°@0°, elevation range ±22°, maximum point cloud 1024 points/frame, ASIL B, Serdes data interface, power consumption ≤4 W, weight 93±5 g, dimensions 68.7 mm × 59.3 mm × 17.9 mm) and CTLRR-620 (76-79 GHz, 8 transmit/8 receive, FMCW & DDMA scheme, ranging 0.2-480 m, range accuracy ±0.05 m, resolution 0.1 m, velocity range -400~200 km/h, azimuth range ±60°, resolution 0.8°@0°, elevation range ±22°, resolution 1.4°@0°, maximum point cloud 6144 points/frame, ASIL B, Serdes data interface, power consumption ≤6 W, weight 155±5 g, dimensions 88 mm × 65 mm × 19.3 mm); both have a waterproof rating of IP6K7 & IP6K9K, with data modes of point cloud/track. Functional overview: 100-fold data increase, full-scenario semantic information, support for multi-sensor alignment, and support for computing power and model upgrades; support for mass-production deployment of the central-computing architecture, adaptation and optimization for mainstream AI platforms, and engineering of algorithms and toolchains. According to the company's press release (May 2026), the Sky Dome central-computing architecture radars (satellite radars) have already been deployed at scale with a leading automaker, equipping nearly 50 vehicle models with shipments of nearly one million units; as core sensors for L3/L4 autonomous driving, they support OTA algorithm upgrades.

7th-generation central-computing architecture; single-frame point cloud density over 6,000 points; CTMRR-610: 4T4R, ranging 0.2-230 m; CTLRR-620: 8T8R, ranging 0.2-480 m; data modes point cloud/track

• L2+/L3/L4 advanced intelligent driving satellite-architecture perception
• Central-computing architecture front and corner radars (satellite radars)
• Unified multi-sensor data alignment and early fusion
• Continuous OTA algorithm upgrades
• Volume production with passenger-car OEMs