A 5dB coupler has a coupling degree of 5dB and an insertion loss of 2dB . If the input signal power is 17dBm , the output power of the coupling port is :

A 5dB coupler has a coupling degree of 5dB and an insertion loss of 2dB . If the input signal power is 17dBm , the output power of the coupling port is :
A . 10dBm
B . 12dBm
C . 14dBm
D . 15dBm

Answer: B

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