Mobile proximity coupling device for inductive coupling with an integrated circuit of a proximity object, the integrated circuit comprising a coupling interface for inductive coupling, the mobile proximity coupling device comprising: a contactless interface for inductive coupling with the coupling interface of the integrated circuit; a processor for determining a quality indicator indicating a quality of the inductive coupling; and a display for displaying a desired change of position of the mobile proximity coupling device relatively to the proximity object if the quality indicator indicates an insufficient quality of the inductive coupling, characterized in that, in order to display the desired position, the display is configured to display: - a displacement of the mobile proximity coupling device relatively to the proximity object if the quality indicator indicates an insufficient quality of the inductive coupling; - a position of the mobile proximity coupling device different from its current position relatively to the proximity object if the quality indicator indicates an insufficient quality of the inductive coupling; - a movement direction for moving the proximity object relatively to the mobile proximity coupling device if the quality indicator indicates an insufficient quality of the inductive coupling; and - a position of the proximity object different from its current position. a contactless interface for inductive coupling with the coupling interface of the integrated circuit; a processor for determining a quality indicator indicating a quality of the inductive coupling; and a display for displaying a desired change of position of the mobile proximity coupling device relatively to the proximity object if the quality indicator indicates an insufficient quality of the inductive coupling, characterized in that, in order to display the desired position, the display is configured to display: - a displacement of the mobile proximity coupling device relatively to the proximity object if the quality indicator indicates an insufficient quality of the inductive coupling; - a position of the mobile proximity coupling device different from its current position relatively to the proximity object if the quality indicator indicates an insufficient quality of the inductive coupling; - a movement direction for moving the proximity object relatively to the mobile proximity coupling device if the quality indicator indicates an insufficient quality of the inductive coupling; and - a position of the proximity object different from its current position. - a displacement of the mobile proximity coupling device relatively to the proximity object if the quality indicator indicates an insufficient quality of the inductive coupling; - a position of the mobile proximity coupling device different from its current position relatively to the proximity object if the quality indicator indicates an insufficient quality of the inductive coupling; - a movement direction for moving the proximity object relatively to the mobile proximity coupling device if the quality indicator indicates an insufficient quality of the inductive coupling; and - a position of the proximity object different from its current position.