TABLE OF CONTENTS CHAPTER 1 Going Wireless CHAPTER 2 Radio Waves CHAPTER 3 Sending Signals HOW IT WORKS Frequency Hopping CHAPTER 4 Staying Connected CHAPTER 5 Faster and Stronger Focus on Wi-Fi Index Glossary To Learn More
CHAPTER 1 GOING WIRELESS People access the Internet from many different places Families stream movies in their living rooms Students check their e-mail between classes Travelers read the news between flights at airports Before Wi-Fi information on the Internet was sent using wires or cables Wi-Fi networks allow people to share information across short distances without using wires 5
