Skip to Main Content
CWNA®: Certified Wireless Network Administrator Official Study Guide
book

CWNA®: Certified Wireless Network Administrator Official Study Guide

by David D. Coleman, David A. Westcott
April 2009
Intermediate to advanced content levelIntermediate to advanced
765 pages
19h 26m
English
Sybex
Content preview from CWNA®: Certified Wireless Network Administrator Official Study Guide

Chapter 3. Radio Frequency Components, Measurements, and Mathematics

IN THIS CHAPTER, YOU WILL LEARN ABOUT THE FOLLOWING:

  • Components of RF communications

    • Transmitter

    • Receiver

    • Antenna

    • Isotropic radiator

    • Intentional radiator (IR)

    • Equivalent isotropically radiated power (EIRP)

  • Units of power and comparison

    • Watt

    • Milliwatt

    • Decibel (dB)

    • dBi

    • dBd

    • dBm

    • Inverse square law

  • RF mathematics

    • Rule of 10s and 3s

  • Received signal strength indicator (RSSI)

  • Link budget

  • Fade margin/system operating margin

Radio Frequency Components, Measurements, and Mathematics
  • Two or more devices want to communicate.

  • There must be a medium, a means, or a method for them to use to communicate.

  • There must be a set of rules for them to use when they communicate. (This ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

CWNA: Certified Wireless Network Administrator Official Study Guide: Exam CWNA-106

CWNA: Certified Wireless Network Administrator Official Study Guide: Exam CWNA-106

David A. Westcott, David D. Coleman
CWSP® Certified Wireless Security Professional Official: Study Guide

CWSP® Certified Wireless Security Professional Official: Study Guide

David D. Coleman, David A. Westcott, Bryan E. Harkins, Shawn M. Jackman

Publisher Resources

ISBN: 9780470438909Purchase book