LDTR04plus is an integrated microstrip antenna, radio frequency circuit and signal processing circuit of the full import scheme speed detection radar module, direct output target speed information.It can be used for long-distance vehicle speed measurement over 150 meters. Integrated RF chip with integrated phase-locked loop has high frequency stability and speed measurement accuracy up to 1KM/h.LDTR04Plus is a radar module integrating microstrip antenna, radio frequency circuit and signal processing circuit, which directly outputs the speed information of the target. It can be used for long-distance vehicle speed measurement greater than 150 meters. It adopts integrated radio frequency chip, with extremely high frequency stability and speed measurement accuracy of 1KM/h.Frequency range: 24.18GHzDetection distance: moving vehicle, cart Greater than 200m, trolley Greater than 150mSupport RS485 interface, UART232 (3.3VTTL level signal), baud rate 9600bpsSpeed measuring range 1Km/h-250Km/hThe speed measurement error is less than 1Km/h (when the angle between the moving direction and the azimuth of the radar beam is zero degrees)Voltage: 9-24V, Current: 80mA or 55mA@12VOutput power (EIRP): 20dBmAntenna angle: 26X13Colour:blackMaterial:plasticPackage Contents:1 x radar speedometerOnly the above package content, other products are not included.Note: Light reflection 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.