A device for detecting and identifying a living or non-living entity, comprising: at least one detectable
electronic unit called a real entity unit (12, 22, 32, 42) equipped on an element (13, 14, 23, 24, 36, 37, 48) that is to be detected and identified; and at least one detection module (140) equipped on another element (49) configured to detect the real entity unit (42), wherein said real entity unit (12, 22, 32, 42) broadcasts in a unidirectional manner and without dialogue and in loops, a real or
virtual image or an avatar of the entity to be detected and information or attributes associated with an identity of the entity, wherein the real entity unit (12, 22, 32, 42) has a unique
digital identity and comprises: A storage and / or
digital recording means making it possible to store a real or
virtual image of the entity and / or information or attributes associated with the identity of the entity, A power supply internal means for powering the real entity unit, Remote reception means for a remote reception of information associated with the entity, of updates of the
real image or the
virtual image of the entity, Capture means for capturing the
real image of the entity with or without its associated environment,
Broadcasting means for
broadcasting in loops, - to one or more mobile or fixed modules called detection modules (140), each equipped with: Reception means for receiving data constituted by the images and / or information broadcast by the real entity unit,
Temporary storage means for the
temporary storage of said data, Displaying and / or listening means for displaying and / or listening said data,
Processing means for
processing the data.