Comparative Analysis of a Super-Wideband Millimeter Wave Array Antenna for Body-Centric Communications

Table 6

Dimension and physical properties of skin, fat, and muscle at 60 GHz [25].

Phantom layers	Thickness (mm)	Relative permittivity	Conductivity	Average penetration depth (mm)
Skin	2	7.98	36.39	0.48
Fat	3	3.13	2.82	3.37
Muscle	10	12.86	52.83	0.41