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Exam CWNA-109 topic 1 question 23 discussion

Actual exam question from CWNP's CWNA-109
Question #: 23
Topic #: 1
[All CWNA-109 Questions]

An 802.11 WLAN transmitter that emits a 50 mW signal is connected to a cable with 3 dB of loss. The cable is connected to an antenna with 16 dBi of gain. What is the power level at the Intentional Radiator?

  • A. 500 mw
  • B. 250 mw
  • C. 25 mw
  • D. 1000 mw
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Suggested Answer: D 🗳️
by taymee at Sept. 21, 2024, 10:48 p.m.

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ACMPgogogo
4 days, 15 hours ago
Selected Answer: C
The FCC defines the intentional radiator as all the components from the radio to the connector on the antenna, but not including the actual antenna 17dBm-3dBm=14dbm -> 14dBm=25mW, 17dBm = 50mW
upvoted 1 times
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taymee
1 month ago
Answer should be 25mw. calculations for the IR does not include the antenna.
upvoted 2 times
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