An electronic device, comprising: a ground plane, conductive antenna structures, whereby: at least first, second, and third electrical components (42-1; 42-3; 42-4) with a frequency dependent impedance that are coupled between a first peripheral conductive housing member segment and the ground plane, wherein the first and third electrical components bridge the first peripheral conductive housing member segment to the ground plane across respective first and second gaps, wherein the first gap electrically isolates the first peripheral conductive housing member segment from a second peripheral conductive housing member segment and the second gap electrically isolates the first peripheral conductive housing member segment from a third peripheral conductive housing member segment (17-2, 17-3), wherein the first electrical component exhibits a first impedance that is low and corresponds to a closed state in a first communications band so that the conductive antenna structures and the first electrical component are operable in a closed slot antenna mode covering the first communications band, wherein the first electrical component exhibits a second impedance that is high and corresponds to an open state in a second communications band so that the conductive antenna structures and the first electrical component are operable in an inverted-F antenna mode covering the second communications band, wherein the second electrical component exhibits a third impedance that is low and corresponds to a closed state in the second communications band when the conductive antenna structures are operated in the inverted-F antenna mode, wherein the second electrical component exhibits a fourth impedance that is high and corresponds to an open state in the first communications band when the conductive antenna structures are operated in the closed slot antenna mode, wherein the third electrical component exhibits a fifth impedance that is high and corresponds to an open state in the second communications band when the conductive antenna structures are operated in the inverted-F antenna mode, wherein the third electrical component exhibits a sixth impedance that is low and corresponds to a closed state in the first communications band when the conductive antenna structures are operated in the closed slot antenna mode, wherein the at least first, second, and third electrical components (42-1; 42-3; 42-4) comprise a resonant circuit that includes a capacitor and an inductor connected in parallel, wherein an opening is formed between the first peripheral conductive housing member segment and the ground plane when operating in the closed slot antenna mode, wherein a conductive path forms a feed branch and spans the opening, and wherein the electronic device has a length, a width that is shorter than the length and a height that is shorter than the width. a ground plane, conductive antenna structures, whereby: at least first, second, and third electrical components (42-1; 42-3; 42-4) with a frequency dependent impedance that are coupled between a first peripheral conductive housing member segment and the ground plane, wherein the first and third electrical components bridge the first peripheral conductive housing member segment to the ground plane across respective first and second gaps, at least first, second, and third electrical components (42-1; 42-3; 42-4) with a frequency dependent impedance that are coupled between a first peripheral conductive housing member segment and the ground plane, wherein the first and third electrical components bridge the first peripheral conductive housing member segment to the ground plane across respective first and second gaps,