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Antenna & Wave PropagationLink Budget

A link has EIRP of 40 dBm, free-space/path loss of 100 dB and receiving-antenna gain of 10 dBi, with other losses neglected. Received power is?

  • A-70 dBm
  • B-50 dBm
  • C50 dBm
  • D150 dBm
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Correct Answer: B. -50 dBm
Explanation: Pr=40-100+10=-50 dBm.
Reference: Standard antenna and wave propagation: link budget
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