An antenna assembly includes a antenna carrier having an antenna module receiving region. The antenna module includes an antenna and a radio frequency transceiver coupled to the antenna. The antenna carrier includes a passive tuning element situated adjacent to the module receiving region, the element exhibiting a length selected to cause the antenna to resonate at a predetermined frequency when the antenna module is placed in the module receiving region.

 
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> PLAYBACK APPARATUS, ELECTRONIC CAMERA APPARATUS, FUNCTION EXPANSION APPARATUS FOR ELECTRONIC CAMERA APPARATUS, CONTROL METHOD FOR ELECTRONIC CAMERA APPARATUS, CONTROL METHOD FOR IMAGE COMMUNICATION APPARATUS, AND MEDIUM FOR PROVIDING CONTROL PROGRAM
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