Decibel Watt or dBW is a measure of the strength of the signal in dB relative to 1 Watt.
dBm is the signal strength referenced to 1 mW.
Most often in RF products and applications, signal strength is specified in dBm. This tool can be used to convert from dBm to dBW.
Use this next one to convert from dBW to dBm and Watt
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