Integrated Miniature Multiband Antenna Designed for WWD and SAR Assessment for Human Exposure

Table 4

Human hand tissues characteristics [15].

Frequency (MHz)	2300		2400		2600		3500		5200		5800
Tissues	εr	σ (S/m)	εr	σ (S/m)	εr	σ (S/m)	εr	σ (S/m)	εr	σ (S/m)	εr	σ (S/m)
Skin	38.17	1.39	38.06	1.44	38.43	1.30	38.23	1.35	38.18	1.40	38.06	1.44
Fat	5.295	0.098	5.28	0.10	5.32	0.09	5.31	0.095	5.30	0.10	5.28	0.10
Muscle	54.62	1.77	54.48	1.84	54.04	1.57	53.98	1.66	53.77	1.70	53.64	1.77
Bone	18.72	0.75	18.60	0.78	15.28	0.50	15.16	0.53	15.10	0.56	15.01	0.59