(
m
)
x (c m )
(
m
)
x (c m )
(
m
)
x (c m )
190
180
170
160
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
190
180
170
160
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
190
180
170
160
150
140
130
120
110
100
90
z (cm)
z (cm)
z (cm)
80
70
60
50
40
30
20
10
0
y
30
0 0 10 20 30 40 50 60
y
30
0 0 10 20 30 40 50 60
y
30
0 0 10 20 30 40 50 60
c
20
10
c
20
10
c
20
10
x
dB
0 = 1.25 W/kg
−6
−12
−18
−24
z
−30
y
Figure 1.12 Distribution of specific absorption rate inside the head of a young European male
irradiated by a 902 MHz cellular mobile telephone: Radiofrequency radiation is absorbed mostly
in the temporal cortical region of the brain; 0 dB in the scale equals 1.25 W/kg. (Courtesy of
Myoung Soo Kwon, University of Turku, Finland.)
Figure 1.13 Adult (left), 13-year-old child-scaled (middle), and 7-year-old child-scaled (right)
phantom body models. (From Piuzzi, E., P. Bernardi, M. Cavagnaro, S. Pisa, and J. C. Lin. 2011.
Analysis of adult and child exposure to uniform plane waves at mobile communication systems
frequencies (900 MHz–3 GHz). IEEE Trans Electromagn Compat 53:38–47. With permission.)