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Table 3 Dielectric parameters of different tissues

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

f (kHz) Dry skin Wet skin Fat Muscle Bone
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