jason wrote:
I may ask about some silly question and please pardon me
May I know what actually the unit of dbm and db is different from one
another?

dBm is referenced to a milliwatt. dB is referenced to
something else and that something else must be specified.
dBd is referenced to a dipole. A web search for "decibel"
uncovered 100 dB of information.
--
73, Cecil http://www.qsl.net/w5dxp


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