Table 2: Statistical parameters of the stand-alone antennas (for an -oriented dipole).

Max
(dB)
Min
(dB)
Mean
(dB)
Median
(dB)

1a46.68−1.8513.3212.93
2a24.96−1.2212.8413.32
3a49.83−0.3011.8312.43
4a41.87−1.8312.469.04
1b40.87−0.6712.3713.44
2b24.57−0.3212.8812.33
3b38.80−2.8110.8111.05
4b38.91−1.2511.126.98