Today, life in many parts of the world cannot be imagined without Wifi technology. It has made the experience of Internet very unique and convenient. Wifi technology is wireless local area networking. It enables devices like smartphones, laptops, digital cameras, computers, modern printers, tablets, etc. to access Internet through wireless access point. This book presents the complex subject of Wifi technology in the most comprehensible and easy to understand language. It is compiled in such a manner, that it will provide in-depth knowledge about the theory and practice of the subject. Coherent flow of topics, student-friendly language and extensive use of examples make this textbook an invaluable source of knowledge.