CHAPTER 2Radio Frequency Fundamentals
In this chapter, you will
• Learn about electromagnetic waves
• Explore RF characteristics and behaviors
If you want to understand wireless networks, you have to begin by understanding the medium on which they operate. Today’s wireless LANs run on the radio frequency (RF) medium. RF waves travel in a portion of the electromagnetic spectrum and exhibit common behaviors. When you understand these common behaviors, many of the problems that occur during wireless LAN deployments become easier to grapple with and resolve.
In this chapter, I will introduce you to the RF space in which 802.11-based wireless LANs operate. I’ll cover the basics of electromagnetic waves (but don’t worry, it won’t be an intensive ...
Get CWNA Certified Wireless Network Administrator & CWSP Certified Wireless Security Professional All-in-One Exam Guide (PW0-104 & PW0-204) now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
