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CWTS™: Certified Wireless Technology Specialist Official Study Guide:Exam PW0-070 by Robert J. Bartz

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Chapter 4. Radio Frequency (RF) Fundamentals for Wireless LAN Technology

THE FOLLOWING CWTS EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:

  • Define basic characteristics of Wi-Fi technology

    • Range, coverage, and capacity

    • Frequencies/channels used

    • Channel reuse and co-location

  • Identify factors that affect the range and speed of RF transmissions

    • Line-of-sight requirements

    • Interference (baby monitors, spread spectrum phones, microwave ovens)

    • Environmental factors

  • Define the basic units of RF measurements

    • Milliwatt (mW)

    • Decibel (dB)

    • dBm

    • dBi

Radio Frequency (RF) Fundamentals for Wireless LAN Technology

Unlike wired devices, which use physical cable to communicate, wireless LANs use the radio waves and the air to communicate. This ...

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