The system comprises a multiplicity of identification devices (Bi)1 each placed in the vicinity of an exhibited object and which continuously emits a sequence of electromagnetic pulses representing respective unique codes (UIDi). The system further comprises a multiplicity of individual portable guide devices (E) for visitors, able to provide users with information about each exhibited object, each of which, by means of its own receive circuits (E3, E11) and control circuits (E9), automatically activates the reproduction of the information about an object (Ai) only after receiving at least two consecutive said identical sequences of pulses.
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