Table 2

Power absorbed per unit area in different body compartments+

Tissue (thickness, cm)
450 MHz
2450 MHz

ε *
Power (W/m2)
ε *
Power (W/m2)

Skin (0.3)
49-27j
0.09
38-10.7j
0.16
Fat (1.25)
11.6-3.3j
0.03
5.3-0.77j
0.03
Muscle (4.4)
56.7-32j
0.34
53-13j
0.08
Core
56.7-32j
0.07
53-13j
0.0






TOTAL

0.53

0.27

+ Calculated assuming an incident power density Io = 1 W/m2. ε * is the complex permittivity of the tissue (expressed as a real and imaginary part).

Foster and Adair BioMedical Engineering OnLine 2004 3:4   doi:10.1186/1475-925X-3-4