A communications antenna includes: an elongate reflector comprising a plurality of panels that define a regular polygonal profile, the reflector having a longitudinal axis; a plurality of circuit boards, each of the circuit boards mounted to a respective reflector panel; a plurality of subsets of radiating elements, each subset of radiating elements mounted in a column on a front surface of a respective circuit board; and a plurality of phase cables, each of the phase cables being mounted to two circuit boards disposed on diametrically opposed reflector panels, the phase cables being positioned forwardly of the circuit boards.