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RF Calculator

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dBm dBw, Watts or microVolts
dBw dBm dBm
at MHz dB Path Loss with respect to dipole or isotropic antenna
Watts dBw or dBm
microVolts dBm
pforward (Watts) pref (Watts) Return Loss or a VSWR
return loss (dB) (evaluated as neg. number) VSWR or % Reflected Power
MHz a wavelength in inches or feet