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A broadband aperture-coupled magneto-electric (ME) dipole antenna array designed for metallic additive manufacturing (AM) is proposed. The proposed array antenna that operates in Ka-band consists of four radiating elements, a power divider and a flange for connecting the standard W-28. The simulated results show that the proposed array antenna has a wide impedance bandwidth of 34.2% from 25.9-36.5 GHz, front-to-back ratio of larger than 20 dB and cross-polarization levels of less than -33 dB over the entire

Source : A Ka-Band 3D Printed Magneto-Electric Dipole Antenna Array – IEEE Conference Publication