Radio Mobile - RF propagation simulation software |
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dBm is decibel above a 1-milliwatt (mW) reference.
- A 1-Watt transmitter has an output of +30 dBm.
- A 10-Watt transmitter has an output of +40 dBm.
- A 25-Watt transmitter has an output of +44 dBm.
As can be seen, changing from dBW to dBm is simply a matter of adding or subtracting 30.
Portions of this text are provided by Brian Henderson and can also be found in his Program Operating Guide.
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