To provide an electromagnetic wave shield system and the like capable of changing a frequency band of electromagnetic waves which is to be shielded, with no replacement of an electromagnetic wave shield itself.

The electromagnetic wave shield system comprises an electromagnetic wave shield S equipped with a conductive means comprising a plurality of conductive patterns and a resonance means 10 having a switching means for switching the plurality of conductive patterns, as well as an information transmission means 50 which transmits a first specified information. The electromagnetic wave shield S further comprises a receiving means for receiving first specified information, and a control means for controlling a switching process of the switching means according to the first specified information.

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