What is the equivalent of 26 dBm in milliwatts?

Posted by: Pdfprep Category: 200-355 Tags: , ,

What is the equivalent of 26 dBm in milliwatts?
A . 4 mW
B . 40 mW
C . 100 mW
D . 400 mW
E . 1000 mW

Answer: D

Explanation:

dBm = log10 (mW)*10

mW =10^(dBm/10)

Samples:

40 dBm=10.00 watts

36 dBm=4.00 watts

30 dBm=1.00 watts

27 dBm=500 milliwatts

26 dBm=400 milliwatts

http://www.h-peters.com/dbmtomw.html

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