Fecha de publicación: 07/06/2012 Fuente: WIPO "royal booby" The invention relates to a device (10) and a method for detecting bombs, booby traps, and the like, in particular in closed objects (2), such as containers, parcels, luggage items, etc. At least one transmitting antenna (4) and at least one receiving antenna (5) are arranged in an orthogonal manner with respect to each other on a plane, whereby wires, electric components, etc. can be detected in the object (2). Furthermore, the device (10) comprises another receiving antenna (7) for ascertaining the electric field strength ratios between the transmitting antenna (4) and the receiving antenna (7) in order to determine the relative dielectric constant (εr) and the relative permeability constant (μr) of the object (2). Said information is used to improve detection.