A multiband antenna (1500, 1600) comprising: a substrate (1503, 1603) having a first surface and a second surface; a first conductive plate on the first surface of the substrate, the first conductive plate comprising a first conductive region and a second conductive region wherein the regions (1501, 1502) meet at a coupling region of the first conductive plate; wherein the first conductive region is couplable to ground by a shorting element, and the first conductive region and second conductive region are located so as to define a gap therebetween; a second conductive plate on the second surface of the substrate, the second conductive plate in electrical contact with a signal terminal of a feeding port, and wherein the second conductive plate is aligned in order to provide capacitance with the first conductive region; a third conductive plate on the second surface of the substrate wherein the third conductive plate is aligned in order to provide capacitance with the second conductive region; and a connecting conductor (1512, 1612) configured to electrically couple the third conductive plate to the second conductive region, wherein the multiband antenna further comprising a tuning bar on the first surface of the substrate, wherein the tuning bar is coupled to ground, positioned adjacent to the second conductive region and configured to provide impedance between the second conductive region and ground in order to affect the frequency input impedances of a higher frequency band, characterised in that the coupling region is aligned in the plane of the substrate (1503, 1603) with a position of the feeding port on the second surface of the substrate. a substrate (1503, 1603) having a first surface and a second surface; a first conductive plate on the first surface of the substrate, the first conductive plate comprising a first conductive region and a second conductive region wherein the regions (1501, 1502) meet at a coupling region of the first conductive plate; wherein the first conductive region is couplable to ground by a shorting element, and the first conductive region and second conductive region are located so as to define a gap therebetween; a second conductive plate on the second surface of the substrate, the second conductive plate in electrical contact with a signal terminal of a feeding port, and wherein the second conductive plate is aligned in order to provide capacitance with the first conductive region; a third conductive plate on the second surface of the substrate wherein the third conductive plate is aligned in order to provide capacitance with the second conductive region; and a connecting conductor (1512, 1612) configured to electrically couple the third conductive plate to the second conductive region, wherein the multiband antenna further comprising a tuning bar on the first surface of the substrate, wherein the tuning bar is coupled to ground, positioned adjacent to the second conductive region and configured to provide impedance between the second conductive region and ground in order to affect the frequency input impedances of a higher frequency band, characterised in that the coupling region is aligned in the plane of the substrate (1503, 1603) with a position of the feeding port on the second surface of the substrate.