KJT radar sensors can transmit and receive microwaves at a frequency of about 24.125 GHz to sense the presence of objects, speed of movement, standstill distance, the angle at which the object is located, etc. The use of planar microstrip antenna technology, with a small size. High degree of integration. 24GHz radar sensor is a microwave echo signal can be converted to an electrical signal conversion device, is a radar speedometer, water level meter, car ACC auxiliary cruise control system, automatic door sensor and other core chip.