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Measurement of localized specific absorption rate (SAR) for contactless smartcard readers operating in the HF band

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4 Author(s)
Kanda, M. ; Motorola Inc., Fort Lauderdale, FL, USA ; McCoy, D.O. ; Schamberger, M.A. ; Balzano, Q.

This paper explores highly sensitive localized SAR measurement methods for contactless smartcard readers operating in the HF band, specifically 13.56 MHz. The design and calibration of a low-frequency E-field probe is described. A method for synthesizing simulated human tissue using a technique developed for measurement of the conductivity of liquids at the HF band is also presented. Finally, both the near-field and localized specific absorption rates are measured for a contactless smartcard reader and compliance with Federal Communications Commission (FCC) maximum permissible exposure (MPE) and specific absorption rate (SAR) regulation is determined

Published in:
Electromagnetic Compatibility, IEEE Transactions on  (Volume:40 ,  Issue: 4 )

Date of Publication: Nov 1998

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