Difference between dB and dBm ? dB , dBm, dBW . [Absolute Power and Relative Power ]
dBm:- The absolute power is expressed in dBm [dBmW (dB MilliWatt)].
P(dBm) = 10 log10(P/1mW)
dB:- The relative attenuation of a section of fibre is expressed in dB. dB = 10log10(Pout/Pin)
Note:- The Video on my channel is related to Optical transmission [Network].
It involves optical transmission technology and vendors hardware description .
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