Which unit measures the power of a radio signal with reference to 1 milliwatt?

IT Questions BankCategory: CCNPWhich unit measures the power of a radio signal with reference to 1 milliwatt?
Which unit measures the power of a radio signal with reference to 1 milliwatt? 1ITExamAnswers Staff asked 5 months ago

Which unit measures the power of a radio signal with reference to 1 milliwatt?

  • A. dBw
  • B. dBm
  • C. mW
  • D. dBi

Explanation: dBm is an abbreviation for “decibels relative to one milliwatt,” where one milliwatt (1 mW) equals 1/1000 of a watt. It follows the same scale as dB. Therefore 0 dBm = 1 mW, 30 dBm = 1 W, and -20 dBm = 0.01 mW

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