Wireless Networks and Frequency
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Questions and Answers

Which frequency range is commonly used for wireless LAN communication?

  • 5.150 and 5.825 MHz
  • 2.400 and 2.4835 GHz (correct)
  • 5.150 and 5.825 GHz
  • 2.400 and 2.4835 MHz

    • What is the relationship between bandwidth and channel width in wireless networks?

  • They are independent of each other
  • Bandwidth is always larger than channel width
  • Channel width is always larger than bandwidth
  • They are the same thing (correct)

    • What are the three properties of an RF signal?

  • Phase, frequency, and amplitude (correct)
  • Velocity, acceleration, and force
  • Voltage, current, and resistance
  • Power, energy, and wavelength

    • What is the reference power level usually used in wireless networks?

    <p>1 mW</p> Signup and view all the answers

    What is the formula for calculating the decibel difference between two power levels?

    <p>𝑑𝐵 = 10 𝑙𝑜𝑔10 ( 𝑃2 / 𝑃1 )</p> Signup and view all the answers

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