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Decibel (dB) and dB relative to a milliwatt (dBm)
In communication system that use antenna we use something called diversity what is the purpose of this process ?
Does one waveguide support a full-duplex connection mode ?
There are two shapes of the wave guides rectangular and circular but where we should use each one ?
the relations between the dBi and the distance?
dB and dBm are both units of measurement used to express the power of a signal, but they are based on different reference points.
I hope I got the question, The waveguides carry the RF, and by those RF carriers can carry data or any information which are modulated and transmit,