Electrical exposure analysis of galvanic-coupled intra-body communication based on the empirical arm models

Table 3 Dielectric parameters of different tissues

f (kHz)	Dry skin		Wet skin		Fat		Muscle			Bone
f (kHz)	σ (S/m)	ɛ _r	σ (S/m)	ɛ _r	σ (S/m)	ɛ _r	Transverse σ (S/m)	Longitudinal σ (S/m)	ɛ _r	σ (S/m)	ɛ _r
10	0.00020	1133.6	0.0029	29010	0.0238	1085.3	0.3408	1.022	25909	0.0204	521.64
100	0.00045	1119.2	0.0658	15357	0.0244	92.885	0.3619	1.086	8089.2	0.0208	227.64
200	0.00105	1104.8	0.1135	8849.2	0.0246	56.015	0.3841	1.152	6377.7	0.0211	203.74
400	0.00305	1076.3	0.1635	4514.6	0.0248	38.134	0.4278	1.283	4339.3	0.0218	182.27
1000	0.0132	990.76	0.2214	1832.8	0.0251	27.222	0.5027	1.508	1836.4	0.0243	144.51

ISSN: 1475-925X