A system, comprising: a computing device case configured to substantially enclose electronics of a computing device; a radiating structure integrated into an exterior surface of the computing device case, the radiating structure including an insulator (322, 722) forming a boundary with a metal plate (310, 710) at the exterior surface of the computing device case, the metal plate (310, 710) being configured to perform a radiating function of the radiating structure, the radiating structure including a ceramic block (332, 732) being configured to act as a capacitive feed to the metal plate (310, 710), the ceramic block (332, 732) being capacitively coupled to the metal plate (310, 710) across a dielectric spacer (330, 730), the dielectric spacer (330, 730) being configured to be fed by a feed structure (317, 717) which is electrically connected between a radio (318, 718) and a metallized surface (319, 719) on the ceramic block (332, 732): a proximity sensor (324, 724) positioned to detect proximity of an object via an exposure point located on the radiating structure, the exposure point being an area located on the radiating structure from which proximity data is collected; and a power control circuit (336, 736) coupled to the proximity sensor (324, 724) the power control circuit (336, 736) being configured to control power to the radio (318, 718) or the feed structure (317, 717), the coupling between the power control circuit (336, 736) and the proximity sensor (324, 724) allowing the power control circuit (336, 736) to dynamically adjust transmission power of the system based on the input from the proximity sensor (324, 724). a computing device case configured to substantially enclose electronics of a computing device; a radiating structure integrated into an exterior surface of the computing device case, the radiating structure including an insulator (322, 722) forming a boundary with a metal plate (310, 710) at the exterior surface of the computing device case, the metal plate (310, 710) being configured to perform a radiating function of the radiating structure, the radiating structure including a ceramic block (332, 732) being configured to act as a capacitive feed to the metal plate (310, 710), the ceramic block (332, 732) being capacitively coupled to the metal plate (310, 710) across a dielectric spacer (330, 730), the dielectric spacer (330, 730) being configured to be fed by a feed structure (317, 717) which is electrically connected between a radio (318, 718) and a metallized surface (319, 719) on the ceramic block (332, 732): a proximity sensor (324, 724) positioned to detect proximity of an object via an exposure point located on the radiating structure, the exposure point being an area located on the radiating structure from which proximity data is collected; and a power control circuit (336, 736) coupled to the proximity sensor (324, 724) the power control circuit (336, 736) being configured to control power to the radio (318, 718) or the feed structure (317, 717), the coupling between the power control circuit (336, 736) and the proximity sensor (324, 724) allowing the power control circuit (336, 736) to dynamically adjust transmission power of the system based on the input from the proximity sensor (324, 724). a proximity sensor (324, 724) positioned to detect proximity of an object via an exposure point located on the radiating structure, the exposure point being an area located on the radiating structure from which proximity data is collected; and a power control circuit (336, 736) coupled to the proximity sensor (324, 724) the power control circuit (336, 736) being configured to control power to the radio (318, 718) or the feed structure (317, 717), the coupling between the power control circuit (336, 736) and the proximity sensor (324, 724) allowing the power control circuit (336, 736) to dynamically adjust transmission power of the system based on the input from the proximity sensor (324, 724).