Maxwell’s Theorem is utterly and totally unrelated to RF. There is only 1 such theorem, not several, and that Theorem does not deal with RF whatsoever.
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Maxwell’s Equations can apply to RF propagation but only in a very abstract sense that they apply to all electrodynamic fields such as optics or acoustics,. The RF engineer does not use them here as a practical tool but they do offer the theoretician a mathematic approach to conceptualize electric currents and charges.