Superstrate

L_sup = 14 mm, W_sup = 14 mm, H_sup = 0.381 mm, d_s = 2.5 mm

Intermediate substrate

L = 25 mm, W = 25 mm, h₃ = 0.127 mm

Dielectric resonators MCDRA

D = 3.5 mm (diameter), h₁ = 0.254 mm, h₂ = 0.254 mm

Slot

L_s = 1.27 mm, W_s = 0.2 mm

Substrate

L = 25 mm, W = 25 mm, h = 0.127 mm

Fed microstrip line

L_feed = 12.5 mm, W_feed = 0.4 mm