Radiofrequency Radiation Dosimetry Handbook - Fourth Edition

Table 9.11.
Currents Through the Wrist and Finger for Maximum SAR = 8 W/kg.

(Cross-sectional areas are for non-bony regions of respective parts of the body.)
(Gandhi et al., 1984)


Frequency (kHz)
Conductivity of Muscle* (S/m) Current Density (A/m2) Wrist (cross-sectional area = 17 x 10-4 m2)** Finger (cross-sectional area = 1.22 x 10-4 m2)***
10 0.132 32.5 55.2 3.96
100 0.494 62.9 106.9 7.67
1000 0.550 66.3 112.7 8.09



* From Durney et al., 1980.
** A. C. Eycleshymer, 1911.
*** J. Sobotta and F. H. J. Figge, 1967.