What happens to the signal strength of an RF signal due to wave spreading?

发布于 2021-03-05 23:42:13

【单选题】
A The signal strength of the RF signal will fall off equally near the transmitter and also farther away
B The signal strength of the RF signal will fall off quickly near the transmitter but more slowly farther away
C The signal strength of the RF signal will fall off slowly near the receiver and more quickly farther away
D The signal strength of the RF signal will fall off slowly near the transmitter but more quickly farther away

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风铃? 2023-03-05

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