Skip to main content
. Author manuscript; available in PMC: 2024 Jun 1.
Published in final edited form as: IEEE J Electromagn RF Microw Med Biol. 2023 Mar 7;7(2):187–192. doi: 10.1109/jerm.2023.3247904

Table 3.

Antenna-to-Antenna Coupling (S21) at 2.45GHz

Case S21 [dB] No Helmet S21 [dB] With Helmet Difference [dB]
Simulation −80 −92 −12
Measured: Subject 1 −74 −85 −11
Measured: Subject 2 −77 −86 −9