An NFC device according to an embodiment of the present specification includes a loop antenna disposed on a first surface of a substrate and transmitting and receiving a radio signal, wherein an antenna region defined by an outer perimeter or an inner perimeter of the loop antenna is located in a first region of the first surface, at least one input interface which is disposed in the first surface of the substrate, wherein the input interface is located in a second region of the first surface and the first region is different from the second region, and a processor connected to the loop antenna and the input interface. The processor transmits an RF response signal including control information for executing a function corresponding to the input interface to an external NFC device through the loop antenna if a user input with regard to the input interface is detected in a communication mode in which communication with the external NFC device is possible. Accordingly, the present invention can provide an active NFC service in consideration of the selection of a user and improve the efficiency of the communication with the external NFC device.
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