A device is provided for reading/writing at least one RFID tag carried by at least one object, including: at least one depositing cavity, for receiving the at least one object, said depositing cavity including: at least one bottom wall and at least one side wall; at least one RFID reading/writing means; and at least one insertion aperture, for depositing objects in the depositing cavity, formed substantially in a top part of the depositing cavity; at least one protective wall, arranged around the insertion aperture, extending upwards from the insertion aperture and attenuating waves between the depositing cavity and the outside; and at least one access opening, for accessing the insertion aperture through the at least one protective wall. A collection terminal using such device is also provided.