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Features
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Specification
Rd-03D is a radar module equipped with Silicon Microelectronics' S5KM312CL chip. S5KM312CL is an integrated microcontroller millimeter wave sensor SoC based on FMCW radar transceiver technology. It operates in the 24 GHz K-band with a maximum sweep bandwidth of 0.25GHz. This module uses FMCW waveform and S5 series chip's proprietary advanced signal processing technology, combined with MCU's proprietary radar signal processing and built-in intelligent positioning and tracking algorithm, to detect multiple targets in a designated area and report the results in real time. Users can quickly Develop corresponding targeting tracking products.
The Rd-03D module accurately senses the motion status of the human body and the area. It is equipped with an intelligent algorithm to realize motion trajectory recognition and tracking, and can measure the speed and distance of targets in the area. The recognition speed is faster and the power consumption is lower. The module can be quickly configured and is suitable for various publicity facilities. It can intelligently distinguish the human body in motion, micro-motion and stillness, and control the switch of the equipment. This module has good resistance to external interference and is not affected by wireless signals such as WIFI.
Documents:

Model
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Rd-03D
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Package
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Standard 1*4P-1.25mm socket connector
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Size
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15.0*44.0(±0.2)mm
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Antenna
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on-board PCB antenna
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Frequency
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24G ~24.25GHz
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Working temperature
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-40℃ ~ 85℃
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Storage temperature
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-40℃ ~ 125℃, < 90%RH
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Power supply
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Support voltage 5V, supply current ≥200mA
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Interface UART
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UART rate Default 256000 bps
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Specification
Characteristic:
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1. Adopts standard 1*4P-1.25mm socket connector
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2. Radar supports 24 GHz ISM frequency band
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3. High performance 1T2R antenna
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4. Accurate target positioning and tracking
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5. MAX sensing distance is 8m
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6. The range resolution is 0.75m, the ranging accuracy is 0.15m
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7. Detection range azimuth Angle ±60°, pitch Angle ±30° Wall mounting
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8. Provides a visual tool to configure the tracking detection range, data reporting interval, and target retention time
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9. Ultra-small module size: 15*44mm
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10. Automatically loads default configuration, plug and play
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11. Support UART, you can use the serial port to realize radar intelligent parameter adjustment, convenient and fast
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12. 5V single power supply
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13. Typical application scenarios:
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1*Smart home
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2*Smart business
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3*Bathroom
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4*Smart lighting
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Notice:
1. The recommended radar installation orientation is (a) or (b), the positive and negative directions are azimuth angles, the upand down directions are pitch angles, and the normal direction of the radar antenna plane is 0
2. The detection range has an azimuth angle of ±60°, a pitch angle of ±30°, and a detection distance in the normal direction of up to 8m.