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Question 1 - JN0-451 discussion

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Which two statements are correct about the radio frequency rule of 10s and 3s? (Choose two.)

A.
If the signal strength increases by 3 dB, the power is doubled.
Answers
A.
If the signal strength increases by 3 dB, the power is doubled.
B.
If the signal strength decreases by 10 dB, the power decreases tenfold.
Answers
B.
If the signal strength decreases by 10 dB, the power decreases tenfold.
C.
If the signal strength increases by 3 dB, the power is tripled.
Answers
C.
If the signal strength increases by 3 dB, the power is tripled.
D.
If the signal strength decreases by 10 dB, the power is halved.
Answers
D.
If the signal strength decreases by 10 dB, the power is halved.
Suggested answer: A, B

Explanation:

According to the radio frequency rule of 10s and 3s, for every loss or gain of 10 dBm, you divide ormultiply the power in mW by 10. For every loss or gain of 3 dBm, you divide or multiply the power in mW by 2 1. https://www.controleng.com/articles/radio-math/

asked 18/09/2024
PKE Holding AG Leitgeb
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