A base station antenna comprising one or more dual-polarized radiating elements, mounted thereon as part of a first linear array of radiating elements that are configured to transmit RF signals in a first frequency band, each dual-polarized radiating element, comprising: a first dipole that extends along a first axis and that is configured to transmit RF signals in the first frequency band, the first dipole including a first dipole arm and a second dipole arm; a second dipole that extends along a second axis and that is configured to transmit RF signals in the first frequency band, the second dipole including a third dipole arm and a fourth dipole arm, and the second axis being generally perpendicular to the first axis, wherein each of the first through fourth dipole arms (330-1, 330-2, 330-3, 330-4) includes a plurality of widened sections that are connected by intervening narrowed sections, characterized in that: the second dipole arm has more widened sections than the first dipole arm, and wherein the base station antenna further comprises a second linear array of radiating elements that are configured to transmit RF signals in a second frequency band and a third linear array of radiating elements that are configured to transmit RF signals in a third frequency band, wherein the one or more dual-polarizing radiating elements are mounted between the second linear array and the third linear array, and wherein the first and third dipole arms (330-1, 330-3) project toward the second linear array and the second and fourth dipole arms (330-2, 330-4) project toward the third linear array. a first dipole that extends along a first axis and that is configured to transmit RF signals in the first frequency band, the first dipole including a first dipole arm and a second dipole arm; a second dipole that extends along a second axis and that is configured to transmit RF signals in the first frequency band, the second dipole including a third dipole arm and a fourth dipole arm, and the second axis being generally perpendicular to the first axis, wherein each of the first through fourth dipole arms (330-1, 330-2, 330-3, 330-4) includes a plurality of widened sections that are connected by intervening narrowed sections, characterized in that: the second dipole arm has more widened sections than the first dipole arm, and wherein the base station antenna further comprises a second linear array of radiating elements that are configured to transmit RF signals in a second frequency band and a third linear array of radiating elements that are configured to transmit RF signals in a third frequency band, wherein the one or more dual-polarizing radiating elements are mounted between the second linear array and the third linear array, and wherein the first and third dipole arms (330-1, 330-3) project toward the second linear array and the second and fourth dipole arms (330-2, 330-4) project toward the third linear array. the second dipole arm has more widened sections than the first dipole arm, and wherein the base station antenna further comprises a second linear array of radiating elements that are configured to transmit RF signals in a second frequency band and a third linear array of radiating elements that are configured to transmit RF signals in a third frequency band, wherein the one or more dual-polarizing radiating elements are mounted between the second linear array and the third linear array, and wherein the first and third dipole arms (330-1, 330-3) project toward the second linear array and the second and fourth dipole arms (330-2, 330-4) project toward the third linear array.