There are 2 studies that match your criteria (2 of which are reviews, comments, or miscellaneous).
Criteria: Study Type=Engineering & Physics,Freq Range=300 kHz - 300 GHz (RF/mmW/THz),Study Subtype=Body area network systems

View This Study - Citation No: 7256 (Dosimetry)
Title	Dynamic channel modeling and OFDM [orthogonal frequency-division multiplexing] system analysis for capacitive coupling body channel communication.
Reference	IEEE Trans Biomed Circuits Syst., Vol. 13, Pg. 735 - 745, 2019
Author(s)	Sun W., Zhao J., Huang Y., Sun Y., Yang H., Liu Y.
PubMed UID	31107661
Project ID	2830
View This Study - Citation No: 7544 (Dosimetry)
Title	Miniaturized button like WBAN (wireless body area network) antenna for off body communication.
Reference	IEEE Transactions on Antennas and Propagation., Vol. 68, Pg. 5228 - 5235, 2020
Author(s)	Sambandam P., Kanagasabai M., Natarajan R., Alsath MG. N., Palaniswamy S.
PubMed UID
Project ID	2830