A km long microwave link uses two antennas each having 30 dB gain. If – McqOptions

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1.	A km long microwave link uses two antennas each having 30 dB gain. If the power transmitted by one antenna is 1 W at 3 GHz. Power received by the other antenna is approximately
A.	98.6 W
B.	76.8 W
C.	63.4 W
D.	55.2 W
Answer» D. 55.2 W

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