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In one embodiment, an antenna includes a dielectric material and a planar conducting element. The dielectric material has a first side opposite a second side, with the planar conducting element residing on the first side. The planar conducting element defines a conductive path between first and seco

In one embodiment, an antenna includes a dielectric material and a planar conducting element. The dielectric material has a first side opposite a second side, with the planar conducting element residing on the first side. The planar conducting element defines a conductive path between first and second end portions of the planar conducting element, which end portions are separated by a non-conductive gap. In another embodiment, an antenna has a planar conducting element defining a conductive path between first and second end portions of the planar conducting element. The planar conducting element has at least two different widths transverse to the conductive path. The first and second end portions of the planar conducting element are separated by a non-conductive gap.

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1. An antenna, comprising: a dielectric material having a first side opposite a second side;a planar conducting element on the first side of the dielectric material, wherein the planar conducting element defines a conductive path between first and second end portions of the planar conducting element

1. An antenna, comprising: a dielectric material having a first side opposite a second side;a planar conducting element on the first side of the dielectric material, wherein the planar conducting element defines a conductive path between first and second end portions of the planar conducting element, and wherein the first and second end portions of the planar conducting element are separated by a non-conductive gap;a conductive via in the dielectric material, the conductive via electrically connected to the first end portion of the planar conducting element; andan electrical microstrip feed line on the second side of the dielectric material, the electrical microstrip feed line electrically connected to the conductive via. 2. The antenna of claim 1, wherein the dielectric material defines at least part of a through-hole in the antenna, the through-hole being at or near the second end portion of the planar conducting element. 3. The antenna of claim 2, further comprising a coax cable having a center conductor, a conductive sheath, and a dielectric separating the center conductor from the conductive sheath, wherein the center conductor extends through the through-hole, wherein the center conductor is electrically connected to the electrical microstrip feed line, and wherein the conductive sheath is electrically connected to the second end portion of the planar conducting element. 4. The antenna of claim 2, wherein the through-hole extends through the planar conducting element. 5. The antenna of claim 1, wherein the electrical microstrip feed line has a route extending from the conductive via, to across the non-conductive gap, to under the second end portion of the planar conducting element.