A radio frequency, RF, antenna device for applying an RF field to an examination space of a magnetic resonance, MR, imaging system , whereby the RF antenna device is provided having a tubular body and comprises a first and a second AC-conductive antenna ring with capacitors in the antenna rings, the antenna rings being spaced apart on a common rotational axis, defining a top and bottom of the tubular body, a cylindrical shielding element provided at an outer circumference of the RF antenna device , and a first and second set of rungs which are both arranged in parallel to the longitudinal direction of the RF antenna device at an inner side of the shielding element surrounding the sets of rungs, the capacitors in the antenna rings providing a high-pass filter design, or, together with additional capacitors in the rungs, providing a band-pass filter design, whereby the RF antenna device is segmented in its longitudinal direction , wherein the first set of the rungs is at one of their ends each electrically coupled to the first antenna ring , thereby defining a first segment , and the second set of the rungs is at one of their ends each electrically coupled to the second antenna ring , thereby defining a second segment , the segments are provided with a length longer than half the length of the RF antenna device , so that the rungs of both segments overlap in a center area of the RF antenna device , characterized in that the rungs of both segments are at their free ends, which are not coupled to any of the antenna rings , each electrically coupled to the shielding element via a coupling element and each segment is provided with two activation ports, to operate each segment in quadrature mode and the first set of rungs overlap with the second set of rungs in the center area of the RF antenna device to geometrically decouple the two segments. the RF antenna device is provided having a tubular body and comprises a first and a second AC-conductive antenna ring with capacitors in the antenna rings, the antenna rings being spaced apart on a common rotational axis, defining a top and bottom of the tubular body, a cylindrical shielding element provided at an outer circumference of the RF antenna device , and a first and second set of rungs which are both arranged in parallel to the longitudinal direction of the RF antenna device at an inner side of the shielding element surrounding the sets of rungs, the capacitors in the antenna rings providing a high-pass filter design, or, together with additional capacitors in the rungs, providing a band-pass filter design, whereby the RF antenna device is segmented in its longitudinal direction , wherein the first set of the rungs is at one of their ends each electrically coupled to the first antenna ring , thereby defining a first segment , and the second set of the rungs is at one of their ends each electrically coupled to the second antenna ring , thereby defining a second segment , the segments are provided with a length longer than half the length of the RF antenna device , so that the rungs of both segments overlap in a center area of the RF antenna device , characterized in that the rungs of both segments are at their free ends, which are not coupled to any of the antenna rings , each electrically coupled to the shielding element via a coupling element and each segment is provided with two activation ports, to operate each segment in quadrature mode and the first set of rungs overlap with the second set of rungs in the center area of the RF antenna device to geometrically decouple the two segments. <EOS>