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Eleventh Hour Network+ by Naomi Alpern

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CHAPTER 4 Wireless Networking

To be well prepared for the exam, you must have a good understanding of basic radio frequency (RF) behaviors and antenna characteristics.

Radio Frequency and Antenna Behaviors and Characteristics

Fast Facts

RF and antenna behaviors play an important part in how wireless networks operate and interact with their environments. They need to be considered as wireless network design decisions are taking place and also can be useful during troubleshooting.

RF behaviors include the following:

  • Gain and loss Gain occurs when a signal has its strength increased, such as by passing through an amplifier. Loss is the exact opposite of gain, and occurs when a signal has its strength decreased, either intentionally through ...

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