The book deals with fundamental concept, theory and designs, as well as applications of microwaves in details. In addition it also describes EMI and EMC, Microwave hazards, and applications of microwaves in medicals. Radars and Radar devices, and MASERS have also been described properly in this book. Microwave antennas have been explained with emphasis on theory of operation and design procedures. The book also focuses on microwave measurements along with necessary requirements and different methods of measurement.