Superstrate

Lsup = 14 mm, Wsup = 14 mm, Hsup = 0.381 mm, ds = 2.5 mm

Multilayer pyramidal DRA

l1 = 1.7 mm, w1 = 0.89 mm, l2 = 0.98 mm, w2 = 0.51 mm, l3 = 0.88 mm, w3 = 0.46 mm, Htot = 0.762 mm

Slot

Ls = 0.75 mm, Ws = 0.2 mm

Fed microstrip line

Lfeed = 12.5 mm, Wfeed = 0.4 mm