This is not a book for an engineer studying for a communications theory class. This book will explain in clear, simple terms the wireless technologies and its inter-relationships, and serve as an effective guide for anyone wishing to implement, deploy or establish a business proposition that requires knowledge of the wireless industry, trends and players. It will include topis such as Wi-Fi, VOIP over Wireless LANs, Security, QoS, Interworking of Wireless LANs with external IP networks, cellular networks, coexistence, mesh networking, wireless network management while covering market segment, applications, standards and deployment. With this guide you will be able to answer key questions such as :What is the difference between Wi-Fi and WiMAX and how will it impact my business? What can the industry expect from these technologies and what are the driving applications?