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CWNA: Certified Wireless Network Administrator Official Study Guide: Exam CWNA-106 by David D. Coleman, David A. Westcott

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Chapter 3Radio Frequency Components, Measurements, and Mathematics

In this chapter, you will learn about the following:

  1. imageComponents of RF communications
    • Transmitter
    • Receiver
    • Antenna
    • Isotropic radiator
    • Intentional radiator (IR)
    • Equivalent isotropically radiated power (EIRP)
  2. imageUnits of power and comparison
    • Watt
    • Milliwatt
    • Decibel (dB)
    • dBi
    • dBd
    • dBm
    • Inverse square law
  3. imageRF mathematics
    • Rule of 10s and 3s
  4. Noise floor
  5. Signal-to-noise ratio (SNR)

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