A quasi-Landstorfer antenna exhibits both the characteristics of a high-gain antenna as well as a small-sized antenna. This antenna extracts the advantages of both the quasi-Yagi antenna and the Landstorfer antenna. The quasi-Landstorfer antenna will be suitable for wireless applications. Moreover, there will be more developments on this antenna in the future but this book will be the pioneer for all of them. All the necessary theories and working principle of the antenna have been described explicitly in this book. A detailed description of all the measurement setup has also been provided. The book is aimed to provide the reader a complete knowledge about designing the antenna as well as understanding the theories behind this antenna. The theory has been described from both the designer perspective as well as from field perspective for the academics.