Definition: | ratio, usually expressed in decibels, between the power supplied by the transmitter of a radio link and the power supplied to the corresponding receiver in actual installation, propagation and operational conditions
NOTE – It is necessary to specify in each case the points at which the power supplied by the transmitter and the power supplied to the receiver are determined, for example:
– before or after the radio-frequency filters or multiplexers that may be employed at the sending or the receiving end,
– at the input or at the output of the transmitting and receiving antenna feed lines.
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