FIELD: medicine. SUBSTANCE: invention relates to examination of human body. Scanning device comprises: a first millimetre wave transceiver module; a second millimetre wave transceiver module; a first rail-type guide means; second rail-type guide means, an actuating device and a stopper, wherein actuating device is adapted to direct activation of first millimetre wave transceiver module by connecting in between first millimetre wave transceiver module and first rail-type guide means; and/or actuating device includes a second actuating device adapted to direct activation of second millimetre wave transceiver module by connecting in between second millimetre wave transceiver module and second rail-type guide device. EFFECT: high accuracy of recognition when scanning. 17 cl, 3 dwg