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dBm, sometimes dBmW or Decibel-milliwatts, is an abbreviation for the power

ratio in decibels (dB) of the measured power referenced to one milliwatt (mW).



dBm    
mW    
 

Common Values

Power (dBm)

 

Power (mW)

 
-30 dBm .001 mW
-20 dBm .01 mW
-10 dBm .1 mW
0 dBm 1 mW
1 dBm 1.26 mW
2 dBm 1.58 mW
3 dBm 2.00 mW
4 dBm 2.51 mW
5 dBm 3.16 mW
6 dBm 3.98 mW
7 dBm 5.01 mW
8 dBm 6.31 mW
9 dBm 7.94 mW
10 dBm 10 mW
20 dBm 100 mW
30 dBm 1000 mW
40 dBm 10000 mW
50 dBm 100000 mW




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  • Understanding how environmental factors can affect range is one of the key aspects to developing a radio frequency (RF) solution. This white paper will provide a high-level overview of the factors that can affect RF range, including hardware selection, environmental factors, frequency ranges, and proper implementation.

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