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dBm Volts Watts Conversion dBm is defined as power ratio in decibel (dB) referenced to one milliwatt (mW). It is an abbreviation for dB with respect to 1 mW and the "m" in dBm stands for milliwatt. Voltage V, level L, Watts W, and impedance Z Here is an Excel spreadsheet containing the calculations of dBm to Voltage to watts. |
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