Low-cost UWB CPW microwave tattoo sensor for respiratory monitoring using near-field phase variation.

Sci Rep · 2026 · PMC13319781 · PMID 42380174

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an increasing trendno p-value reported

The measured SAR values (SAR(1 g) and SAR(10 g)) show an increasing trend with both frequency and transmitted power, which is consistent with electromagnetic absorption characteristics in biological tissues.

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