Table 1.
Conductivity and skin depth of low and high water content tissues at selected EM RF
| Frequency | Tissues with low water content | Tissues with high water content | ||||||
|---|---|---|---|---|---|---|---|---|
| Fat | Bone | Muscle | Skin | |||||
| σ (S/m) | δ (mm) | σ (S/m) | δ (mm) | σ (S/m) | δ (mm) | σ (S/m) δ | (mm) | |
| 150 MHz | 0.04 | 366.1 | 0.07 | 301.0 | 0.7 | 67.2 | 0.5 | 85.0 |
| 450MHz | 0.04 | 301.9 | 0.10 | 202.2 | 0.8 | 51.3 | 0.7 | 52.9 |
| 835 MHz | 0.05 | 252.0 | 0.14 | 139.5 | 0.9 | 43.5 | 0.8 | 41.5 |
| 1.8 GHz | 0.08 | 157.1 | 0.28 | 66.7 | 1.3 | 29.2 | 1.2 | 28.3 |
| 2.54 GHz | 0.10 | 117.1 | 0.39 | 45.8 | 1.7 | 22.3 | 1.5 | 22.6 |
| 3 GHz | 0,13 | 93.6 | 0.51 | 35.2 | 2.1 | 18.0 | 1.7 | 18.9 |
| 5 GHz | 0.24 | 49.4 | 0.96 | 17.7 | 4.0 | 9.3 | 3.1 | 10.5 |
| 10 GHz | 0.58 | 19.6 | 2.13 | 7.3 | 10.6 | 3.3 | 8.0 | 3.8 |