| CPC H01Q 9/0442 (2013.01) | 20 Claims |

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1. An antenna system comprising:
a first patch antenna element;
a first tuning conductor electromagnetically coupled to the first patch antenna element and operable to load the first patch antenna element, the first patch antenna element and the first tuning conductor formed in a common conductive layer of a substrate; and
a first tunable frequency response circuit electrically connected to the first tuning conductor, the first tunable frequency response circuit having an impedance that is controllable to tune the first patch antenna element, the first tunable frequency response circuit including at least one inductor and at least one capacitor.
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