A dual polarized variable beam tilt antenna having a superior Sector Power Ratio (SPR). The antenna may have slant 45 degree dipole radiating elements including directors, and may be disposed on a plurality of tilted element trays to orient an antenna boresight downtilt. The directors may be disposed...http://www.google.fr/patents/US8164536?utm_source=gb-gplus-shareBrevet US8164536 - Directed dual beam antenna
