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![](https://ae01.alicdn.com/kf/S9bdfe2e0b41345a4afe03293960ee9bf1/24-Ghz-Microwave-Module-Antenna-Sensor-Doppler-Speed-Measurement-Speed-Vehicle-Speed-Display-CL-1001.jpg) ![](https://ae01.alicdn.com/kf/Sfc147c92ae064a75ba4da0f5ba2b30feF/24-Ghz-Microwave-Module-Antenna-Sensor-Doppler-Speed-Measurement-Speed-Vehicle-Speed-Display-CL-1001.jpg) ![](https://ae01.alicdn.com/kf/Sf6c990f76d4449ac87ffb46928abbf1aI/24-Ghz-Microwave-Module-Antenna-Sensor-Doppler-Speed-Measurement-Speed-Vehicle-Speed-Display-CL-1001.jpg) ![](https://ae01.alicdn.com/kf/Sf655b30f847d484e961669ab2608da9eg/24-Ghz-Microwave-Module-Antenna-Sensor-Doppler-Speed-Measurement-Speed-Vehicle-Speed-Display-CL-1001.jpg) aHR0cDovL2ZyZWVzaGlwLmNvLmty![](https://ae01.alicdn.com/kf/S9bdfe2e0b41345a4afe03293960ee9bf1/24-Ghz-Microwave-Module-Antenna-Sensor-Doppler-Speed-Measurement-Speed-Vehicle-Speed-Display-CL-1001.jpg) ![](https://ae01.alicdn.com/kf/Sfc147c92ae064a75ba4da0f5ba2b30feF/24-Ghz-Microwave-Module-Antenna-Sensor-Doppler-Speed-Measurement-Speed-Vehicle-Speed-Display-CL-1001.jpg) ![](https://ae01.alicdn.com/kf/Sf6c990f76d4449ac87ffb46928abbf1aI/24-Ghz-Microwave-Module-Antenna-Sensor-Doppler-Speed-Measurement-Speed-Vehicle-Speed-Display-CL-1001.jpg) ![](https://ae01.alicdn.com/kf/Sf655b30f847d484e961669ab2608da9eg/24-Ghz-Microwave-Module-Antenna-Sensor-Doppler-Speed-Measurement-Speed-Vehicle-Speed-Display-CL-1001.jpg) ![](https://ae01.alicdn.com/kf/S877823881c0348ef8f4c026d217f3055W/24-Ghz-Microwave-Module-Antenna-Sensor-Doppler-Speed-Measurement-Speed-Vehicle-Speed-Display-CL-1001.jpg)
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Overview: CEM5811 is a high gain, narrow angle 24GHz radar. Speed measurement is achieved through the Doppler effect, and the speed measurement accuracy can reach 1KM/h, which can be applied to speed measurement radar and smart street lights. Frequency range: 24.125GHZ+/-125MHZ; Modulation method: CW detects moving vehicles. Large carts more than 150 meters. Small carts more than 100 meters.; Support RS232 and RS485 interface (baud rate 9600bps) Speed measuring range 1Km/h--300Km/h; Speed measurement error is not greater than + -1Km/h (when the angle between the movement direction and the radar beam azimuth is zero degrees); Voltage: 9-24V, current: 220mA@12V; Output power (EIRP): 22dBm; Antenna angle: 26¡ÆX13¡Æ; Sensor size: 73x75x10mm Communication protocol description RS232 speed data output format (baud rate 9600bps 9 bytes per frame data packet)
1: Coming to the goal V (asci) + (ascii) hundreds place (ascii) tens place (ascii) one place (ascii) decimal point (ascii) decimal place (ascii) 0X0D 0D0A 2: Go to goal V (ascii)-(ascii) Hundreds (ascii) Tens (ascii) Ones (ascii) Decimal point (ascii) Decimal (ascii) 0X0D 0D0A RS485 speed data output format (baud rate 9600bp5 4 bytes per frame data packet) Coming to target speed data: 0XFC0 XFA sum0x00 Go to target speed data; 0XFB OXFD sum0x00 Note 1: sum is the speed value data range 0X01-0XF0 (corresponding to the speed range 1km/h-240km/h) Radar parameter setting command (can only be set via RS232, baud rate 9600bps) Command A: 0x43 0x46 0x01 aa bb cc 0x0d 0x0a Note 1: aa is the lower limit of the speed range (the factory default is 0X01) If a is set to 0x05, the speed less than 5km/h will not be detected and output Note 2: bb is the angle compensation between the center of the radar beam axis and the movement of the moving target (vehicle) (the factory default is 0X00) If bb is set to 0x0a, the angle compensation angle is 10 degrees Note 3: cc is the setting range of radar sensitivity setting 0x00--0x70 (factory default is 0X00) Colour: white + green Material: plastic + metal
Package Contents: 1 * Module
Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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