This book by Eric Lindley is avery useful text for level 3 NCET electronics courses. It covers most wireless technologies that we presently use along with those that will become commonplace in the future. Great graphics and explanations. Designed to demystify wireless technologies this book use colorful graphics and diagrams to explain difficult concepts clearly. It covers the generation of EF waves, AM and FM radio, TV, cellular phones through to CDMA, pagers, WiFi, Bluetooth and the wireless internet. While the visual appeal of this book will draw students in, they will quickly get absorbed by the fascinating applications and protocols of the world of wireless communications. A must as a resoucre book for senior physics and electronics courses.