On-Body Characterization of Planar Differential Antennas for Multiple, Wide, and Narrow Bands

Table 3

Physical and electric parameters of antenna and spacer.

	Dielectric layers		Conductive layers
	Substrate	Spacer
Material	FR4	“3 mesh®” spacer fabric–Müller Textil	Material	Copper
[mm]	1.6	15	[µm]	35
	4.4	≈1.05	[S/m]	5.96 × 10^7
	0.02	≈0