Low-Profile Flexible UHF RFID Tag Design for Wristbands Applications

Table 1

Various electrical properties of human wrist/arm phantom at 915 MHz.

	Dielectric; Constant	Loss Tangent	Conductivity; (S/m)
Skin (dry)	41.3	0.415	0.87
Fat	5.46	0.185	0.05
Muscle	55	0.339	0.94
Bone Cortical	12.44	0.229	0.145
Bone Cancellous	20.75	0.325	0.34
Bone Marrow	5.5	0.145	0.04