Wireless Communication Components Quiz
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Questions and Answers

What is the typical noise floor level around 2.4 GHz?

  • -100 dBm (correct)
  • -80 dBm
  • -110 dBm
  • -90 dBm

    • What is the dBm value for a signal that may be received at 0.00000001 mW?

  • -70 dBm
  • -85 dBm
  • -80 dBm (correct)
  • -90 dBm

    • What does a fade margin help protect against?

  • Noise floor
  • Data corruption
  • Signal strength
  • Interference (correct)

    • What is a typical value for SNR that is considered very poor?

    <p>&lt; 10 dB</p> Signup and view all the answers

    What is the primary purpose of the Link Budget Loss in RF communication?

    <p>To guarantee that the received signal is strong enough</p> Signup and view all the answers

    How is the Received Signal Strength Indicator (RSSI) defined by IEEE?

    <p>As a relative metric used by 802.11 radios</p> Signup and view all the answers

    What is the dB value for a typical rubber-encased half-wave dipole antenna?

    <p>-54 dBi</p> Signup and view all the answers

    Which rule states 'For every 3 dB gain, double the power'?

    <p>-3 dB gain = mW X 2</p> Signup and view all the answers

    'FSPL is based on which mathematical principle?'

    <p>'Inverse Square Law'</p> Signup and view all the answers

    'What does a 3 dB loss represent in terms of power?'

    <p>'Halving the power'</p> Signup and view all the answers

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