Traffic Flow Radar TCM873
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Speed range: -300 to +300km/h
keyword：
Millimeter wave radar series
INTRODUCTION
TCM873 is a traffic flow statistical millimeter wave radar module independently developed by Hunan Nanoradar Technology Co., Ltd. The module can provide multi-target tracking information between large, medium and small vehicles, non-motorized vehicles and pedestrians traveling in both directions within a range of 500 meters(max), including real-time information such as ID, distance, speed, azimuth and status of all targets. At the same time, it also supports traffic flow statistics, which can output information such as vehicle spacing, occupancy, queue length, congestion and so on. Among them, the accuracy of congestion flow statistics reaches 90%, and the accuracy of flat peak flow statistics reaches 95%.
Features：
- Super sensing, stable and accurate,detection distance of 500m(max), 80 ° wide beam, covering 10 lanes, can detect 512 targets
- Radar vision integration, support two levels of data depth fitting, space-time synchronization, support GPS, PTP timing
- Software-defined radar, flexible adaptation of intersection, road section, high-speed three modes
- Simulate the real scene, close to the actual application, configured with channelization, green isolation belt and live function
- Strong adaptability, easy to deal with complex environment, four levels of sensitivity can be adjusted to reduce the false alarm rate; wrong frequency design can avoid interference between radars, 7 × 24h all-weather real-time protection, adapt to rain, snow, fog, haze, dust and other bad weather
Application：
- High-speed traffic monitoring, intersection monitoring, intersection detection and other application scenarios.
SPECIFICATIONS
| System performance | |||
| Modulating waveform | FMCW | Refresh rate | About 80ms |
| Interface | RS485/Ethernet port | ||
| Measuring performance | |||
| Distance range | 1.2~500m@0° | Cover the lane | 10 lanes |
| Speed range | -300~+300km/h | Multi-target monitoring | 512 |
| Beam width | LRR:30°×11°;SRR:80°×26° | ||
Operating conditions | |||
| Operating voltage | 9~32V DC | Power consumption | 12W |
Operating temperature | -40~+70℃ | Storage temperature | -40~+85℃ |
| Protection rating | IP67 *The rating is not permanently effective and may decrease due to product wear and tear. | ||
| Housing | |||
| Overall dimensions (LxWxH) | 185×176×44.9mm | ||
| Certification | CE | ||
ADVANTAGES
 | Optimized for High-Speed Scenarios Tailored for highways, enhancing dynamic target detection capabilities to accommodate faster-moving objects. |
 | Adaptive Lane Division Continuously analyzes traffic flow to generate heatmap trajectories, enabling adaptive lane division. |
 | Interval Statistics Setup Customizable detection zones to statistically analyze vehicle spacing, average speed, and traffic volume within designated intervals. |
APPLICATION
With the surge in urban vehicle ownership, traditional video surveillance faces bottlenecks such as low visibility and missed multi-target detection.Data shows that traffic accidents during severe weather increase by 2.3 times compared to normal conditions, highlighting the urgent need for all-weather intelligent sensing devices to ensure smooth road network operations.
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FAQ
TCM873 | Installation Method
The TCM873 radar can be front-mounted at a height of 1.5–6 meters (adjustable based on actual conditions). Ensure that no metal objects or materials incompatible with the radar antenna cover obstruct the front field of view. Side mounting is supported, but the tilt angle should generally not exceed 10° (subject to actual scenarios).
TCM873 | Can the TCM873 radar face upward or downward freely?
No. The pitch angle of the TCM873 cannot be adjusted arbitrarily. The radar transmits and receives electromagnetic waves. If angled upward, it may cause missed detections of targets; if pointed downward, ground clutter can amplify, overwhelming real signals.
TCM873 | Radar Detecting False Alarms
False alarms are now rarely encountered. If they occur, adjust the sensitivity level for mitigation. The default sensitivity level is 0, with adjustable levels 1–3. Higher sensitivity levels enhance the suppression of false alarms.
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