Figure 10
From: Additive manufacturing in compact high-gain wideband antennas operating in mm-wave frequencies
3D measured radiation pattern at several frequencies: \(28 \mathrm{GHz}\) (a,d), \(34 \mathrm{GHz}\) (b,e) and \(39 \mathrm{GHz}\) (c,f) for the copolar (a–c) and cross-polar component (d–f).
