Question: The transmission power is 40 W, under a free-space propagation model, (a) What is the transmission power in unit of dBm? (b) The receiver is

The transmission power is 40 W, under a free-space propagation model,

(a) What is the transmission power in unit of dBm?
(b) The receiver is in a distance of 1000 m; what is the received power, assuming that the carrier frequency fc = 900 MHz and Gt = Gr = 1 dB?
(c) Express the free space path loss in dB.

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