A Compact Experimental Planar Antenna with a USB Connector for Mobile Phone Application

Table 2

SAR tissue data.

SAR	Head tissue liquid			Body tissue liquid
Frequency (MHz)	900	1950	2450	900	1950	2450
Relative permittivity	41.5	40	39.2	55	53.3	52.7
Conductivity (S/m)	0.97	1.4	1.8	1.05	1.52	1.95