The SRR189C is a dedicated 24GHz millimeter-wave radar sensing module designed for road traffic applications, offering precise speed and distance measurement capabilities with a detection range of up to 200 meters. Utilizing Frequency-Modulated Continuous Wave (FMCW) technology combined with advanced signal processing algorithms, it achieves ±1km/h speed measurement accuracy and ±0.5m range resolution, effectively addressing complex traffic environments.
Technical Parameter Comparison
| Parameter | SRR189C 24GHz | Traditional Laser Speed Guns |
|---|---|---|
| Detection Range | 1–200m (adjustable) | ≤100m (highly affected by weather) |
| Speed Measurement Accuracy | ±1km/h | ±2km/h |
| Range Resolution | 0.5m | ≥1m |
| Power Consumption | 70mA (12V power supply) | ≥100mA |
| Interface Types | RS485/UART multi-interface | Single analog signal output |
Application Scenarios
By leveraging the interference resistance and high precision of millimeter-wave radar, the SRR189C overcomes the limitations of traditional sensors, providing a cost-effective, highly reliable perception solution for road traffic management and advancing the upgrade of smart city and intelligent transportation systems.








