Table 1: Antennas dimensions and feed positions.

Frequency (GHz) (mm2)Feed positions (mm)

Single applicator 10.91593.20 × 32(0, 6)
Single applicator 22.4533.38 × 32(0, −16)
Dual-frequency applicator0.91591.10 × 32(0, 7)
2.4533.75 × 32(0, −16)