An electronic device enclosure, comprising: an outer periphery member defining a ring and having a front surface and a back surface; an internal platform placed at least in part within the outer periphery member and connected to at least two distinct regions of the outer periphery member, the internal platform offset from the front surface and the back surface; a front cover assembly placed adjacent to the front surface and covering the internal platform; and a back cover assembly placed adjacent to the back surface and covering the internal platform; wherein: the outer periphery member comprises a plurality of distinct electrically insulated conductive segments, wherein each of the plurality of distinct electrically insulated conductive segments is formed from an electrically conductive material and each forming a component of distinct antennas; the internal platform comprises an electrically conductive main plate; the electronic device enclosure further comprising: an electrically insulative connecting element coupled to the electrically conductive main plate; and a first electrically conductive step connected to the electrically insulative connecting element and one of the plurality of distinct electrically insulated conductive segments of the outer periphery member so that the plurality of distinct electrically insulated conductive segments remain electrically isolated; a second electrically conductive step connected to a second one of the plurality of distinct electrically insulated conductive segments so that the second one of the plurality of distinct electrically insulated conductive segments is mechanically and electrically coupled to the conductive main plate. an outer periphery member defining a ring and having a front surface and a back surface; an internal platform placed at least in part within the outer periphery member and connected to at least two distinct regions of the outer periphery member, the internal platform offset from the front surface and the back surface; a front cover assembly placed adjacent to the front surface and covering the internal platform; and a back cover assembly placed adjacent to the back surface and covering the internal platform; wherein: the outer periphery member comprises a plurality of distinct electrically insulated conductive segments, wherein each of the plurality of distinct electrically insulated conductive segments is formed from an electrically conductive material and each forming a component of distinct antennas; the internal platform comprises an electrically conductive main plate; the electronic device enclosure further comprising: an electrically insulative connecting element coupled to the electrically conductive main plate; and a first electrically conductive step connected to the electrically insulative connecting element and one of the plurality of distinct electrically insulated conductive segments of the outer periphery member so that the plurality of distinct electrically insulated conductive segments remain electrically isolated; a second electrically conductive step connected to a second one of the plurality of distinct electrically insulated conductive segments so that the second one of the plurality of distinct electrically insulated conductive segments is mechanically and electrically coupled to the conductive main plate. the outer periphery member comprises a plurality of distinct electrically insulated conductive segments, wherein each of the plurality of distinct electrically insulated conductive segments is formed from an electrically conductive material and each forming a component of distinct antennas; the internal platform comprises an electrically conductive main plate; the electronic device enclosure further comprising: an electrically insulative connecting element coupled to the electrically conductive main plate; and a first electrically conductive step connected to the electrically insulative connecting element and one of the plurality of distinct electrically insulated conductive segments of the outer periphery member so that the plurality of distinct electrically insulated conductive segments remain electrically isolated; a second electrically conductive step connected to a second one of the plurality of distinct electrically insulated conductive segments so that the second one of the plurality of distinct electrically insulated conductive segments is mechanically and electrically coupled to the conductive main plate. an electrically insulative connecting element coupled to the electrically conductive main plate; and a first electrically conductive step connected to the electrically insulative connecting element and one of the plurality of distinct electrically insulated conductive segments of the outer periphery member so that the plurality of distinct electrically insulated conductive segments remain electrically isolated; a second electrically conductive step connected to a second one of the plurality of distinct electrically insulated conductive segments so that the second one of the plurality of distinct electrically insulated conductive segments is mechanically and electrically coupled to the conductive main plate.