Abstract: Multiband base station antennas include first and second arrays. The first array has a plurality of radiating elements that are arranged in a plurality of columns and rows, where both an uppermost and a lowermost of the rows of the first array include a first number of radiating elements, and at least one of the other rows of the first array includes a second, larger number of radiating elements. The second array includes a plurality of radiating elements that are vertically offset from each other. At least one of the radiating elements in the uppermost of the rows of the first array is not vertically aligned with any of the radiating elements in the lowermost of the rows of the first array.

Abstract: Multiband base station antennas include first and second arrays. The first array has a plurality of radiating elements that are arranged in a plurality of columns and rows, where both an uppermost and a lowermost of the rows of the first array include a first number of radiating elements, and at least one of the other rows of the first array includes a second, larger number of radiating elements. The second array includes a plurality of radiating elements that are vertically offset from each other. At least one of the radiating elements in the uppermost of the rows of the first array is not vertically aligned with any of the radiating elements in the lowermost of the rows of the first array.

Abstract: A current carrying system for use in transporting electrical current between a plurality of electrical devices is provided. The current carrying system includes a busbar having a first axial end, a second axial end, an electrically conductive shaft extending from the first axial end to the second axial end, and at least one cooling feature defined in at least a portion of the electrically conductive shaft. The current carrying system also includes a casing that defines a busbar channel configured to receive the busbar such that the casing at least partially circumscribes the busbar. The current carrying system also includes an air vent defined by the at least one cooling feature and the casing, wherein the air vent is in flow communication with ambient air, and the cooling feature is configured to facilitate a flow of air from the ambient air through the air vent.

Abstract: A current carrying system for use in transporting electrical current between a plurality of electrical devices is provided. The current carrying system includes a busbar having a first axial end, a second axial end, an electrically conductive shaft extending from the first axial end to the second axial end, and at least one cooling feature defined in at least a portion of the electrically conductive shaft. The current carrying system also includes a casing that defines a busbar channel configured to receive the busbar such that the casing at least partially circumscribes the busbar. The current carrying system also includes an air vent defined by the at least one cooling feature and the casing, wherein the air vent is in flow communication with ambient air, and the cooling feature is configured to facilitate a flow of air from the ambient air through the air vent.

Abstract: A current carrying system for use in transporting electrical current between a plurality of electrical devices is provided. The current carrying system includes a busbar having a first axial end, a second axial end, an electrically conductive shaft extending from the first axial end to the second axial end, and at least one cooling feature defined in at least a portion of the electrically conductive shaft. The current carrying system also includes a casing that defines a busbar channel configured to receive the busbar such that the casing at least partially circumscribes the busbar. The current carrying system also includes an air vent defined by the at least one cooling feature and the casing, wherein the air vent is in flow communication with ambient air, and the cooling feature is configured to facilitate a flow of air from the ambient air through the air vent.

Abstract: A current carrying system for use in transporting electrical current between a plurality of electrical devices is provided. The current carrying system includes a busbar having a first axial end, a second axial end, an electrically conductive shaft extending from the first axial end to the second axial end, and at least one cooling feature defined in at least a portion of the electrically conductive shaft. The current carrying system also includes a casing that defines a busbar channel configured to receive the busbar such that the casing at least partially circumscribes the busbar. The current carrying system also includes an air vent defined by the at least one cooling feature and the casing, wherein the air vent is in flow communication with ambient air, and the cooling feature is configured to facilitate a flow of air from the ambient air through the air vent.