A near-field electromagnetic induction (NFEMI) antenna, comprising: a flexible substrate; an electric antenna including a first electrically conductive surface being a plate and a second electrically conductive surface, wherein the first electrically conductive surface and the second electrically conductive surface are each provided on the substrate; a magnetic antenna including a first coil coupled to a second coil wherein the first coil and the second coil are each provided on the substrate, wherein the first coil is configured to function as said second electrically conductive surface; a first feeding connection coupled to one end of the first coil; a second feeding connection coupled to another end of the first coil and one end of the second coil; wherein another end of the second coil is connected to the first electrically conductive surface; wherein the flexible substrate is folded to form a stacked configuration in which the substrate physically separates the first and second coils from the first electrically conductive surface and in which the first electrically conductive surface defines a first end of the stack and the first and second coils define a second end of the stack; wherein the first electrically conductive surface formed by the plate has a shape comprising inside and outside edges which match the second electrically conductive surface formed by the first coil, so that the first electrically conductive surface and the second electrically conductive surface overlap in the folded, stacked configuration formed by the substrate; and a magnetic permeable material coupled to one side of the magnetic antenna and configured to be placed between the magnetic antenna and a set of electric components. a flexible substrate; an electric antenna including a first electrically conductive surface being a plate and a second electrically conductive surface, wherein the first electrically conductive surface and the second electrically conductive surface are each provided on the substrate; a magnetic antenna including a first coil coupled to a second coil wherein the first coil and the second coil are each provided on the substrate, wherein the first coil is configured to function as said second electrically conductive surface; a first feeding connection coupled to one end of the first coil; a second feeding connection coupled to another end of the first coil and one end of the second coil; wherein another end of the second coil is connected to the first electrically conductive surface; wherein the flexible substrate is folded to form a stacked configuration in which the substrate physically separates the first and second coils from the first electrically conductive surface and in which the first electrically conductive surface defines a first end of the stack and the first and second coils define a second end of the stack; wherein the first electrically conductive surface formed by the plate has a shape comprising inside and outside edges which match the second electrically conductive surface formed by the first coil, so that the first electrically conductive surface and the second electrically conductive surface overlap in the folded, stacked configuration formed by the substrate; and a magnetic permeable material coupled to one side of the magnetic antenna and configured to be placed between the magnetic antenna and a set of electric components.