14. A cellular telephone transmits 600 milliwatts of power. (a) The receiver sensitivity is -90 dBm, what would the rang
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14. A cellular telephone transmits 600 milliwatts of power. (a) The receiver sensitivity is -90 dBm, what would the rang
14. A cellular telephone transmits 600 milliwatts of power. (a) The receiver sensitivity is -90 dBm, what would the range of the telephone be under free- space propagation? Assume that the transmitting and receiving antennas have unity gain and the transmission is at 900 MHz. (b) If propagation conditions actually show a path-loss exponent of 3.1 with a fixed gain B = -36 dB, what would the range in this case be?
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