THZ-AJY-C1 type THz security detector adopts non-closed channel design, which meets the  requirements of large passenger flow speed under various rail transit scenarios such as high-speed rail,  urban rail, subway, etc. The product can replace the traditional manual contact security inspection by  using THz active imaging technology. It can accurately identify dangerous goods, controlled knives, drugs  and explosives and other hidden prohibited items, and carry out green and healthy human security check  in the form of "accurate portraits", and detect images with high resolution and good clarity.