You obviously have no clue about RF electronics
or signal processing. Signal bandwidth has
absolutely nothing to do with current carrying
capacity. Do the terms capacitance and inductance
mean anything to you? Power lines have been
designed to carry a 60 Hz narrowband signal with
high current. Transformers, switchers and
transmission lines are tuned for that, not
for Ghz signals.
Read Oppenheim's Signals and Systems for some
basic background.
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You obviously have no clue about RF electronics or signal processing. Signal bandwidth has absolutely nothing to do with current carrying capacity. Do the terms capacitance and inductance mean anything to you? Power lines have been designed to carry a 60 Hz narrowband signal with high current. Transformers, switchers and transmission lines are tuned for that, not for Ghz signals. Read Oppenheim's Signals and Systems for some basic background.