Table 1: Geometrical parameters of five different unit cells.

Cell typeGeometrical parameters (mm) (GHz)

K15.85.84.04.11.50.70.410.50
K25.85.84.04.21.10.40.410.47
K35.85.84.14.30.90.30.410.12
K45.85.84.24.40.60.20.49.96
K55.85.84.24.40.70.20.49.69