Wideband and High-Efficiency SIW Cavity-Backed Magneto-Electric Dipole Antenna Array

Figure 7

Configuration of the proposed 2 × 2 subarray. (a) Top view of substrate 1. (b) Top view of substrate 2. (c) Top view of substrate 3. (d) Left view.

(a)

(b)

(c)

(d)