The Basics of Radio Engineering . Part 2" by B. A. Kotelnikova and A. M. Nikolaeva is a fascinating and informative continuation of the first volume, which deepens the reader's knowledge in the field of radio engineering. This publication will be a real find for students, graduate students, as well as anyone interested in modern technology and radio communication. It addresses key aspects of radio engineering systems, making the book not only a textbook, but also a reference for practicing engineers. The second part of the book continues to explore the theoretical and practical foundations of radio engineering, focusing on such important topics as radio frequency circuits, antennas, modulation and demodulation of signals. The authors share their knowledge and experience, which allows the reader not only to master the theory, but also to understand how to apply this knowledge in practice. The book is full of examples, tasks and illustrations, which makes the learning process more visual and accessible. This book will be interesting not only for students of technical specialties, but also for those who already work in the field of radio engineering and want to update their knowledge or master new technologies. It will also be useful to teachers who are looking for quality and relevant materials for their courses. Readers who are passionate about radio amateurism will find in it many useful tips and recommendations that will help them in creating their own radio projects. The topics raised in the book cover a wide range of issues related to radio communication, which makes it relevant in the context of the rapid development of technology. The authors discuss not only theoretical aspects, but also practical applications of radio engineering solutions in various fields: from mobile communication to satellite systems. This allows the reader to see how radio technology affects everyday life and what prospects are opening up in this area. The style of the authors is characterized by accessibility and clarity of presentation, which allows even complex topics to be presented in an understandable and fascinating form. In. A. Coils and A. M. Nikolaev are experienced specialists who share their experience and knowledge, which makes their work valuable for any audience . Their previous publications, such as "Fundamentals of Radio Engineering. Part 1" and other teaching aids, received recognition for quality and relevance, and the second part is no exception. The Basics of Radio Engineering . Part 2" is not just a textbook, but an exciting journey into the world of radio technology. It inspires study and research, opens up new horizons and opportunities for professional growth. If you want to deepen your knowledge in radio engineering, this book will be an excellent choice. Don’t miss the chance to become part of the exciting world of radio signals and technologies that change our understanding of communications and communication. Thus, "Basics of radio engineering . Part 2" is a must-read for anyone who wants to be at the forefront of radio engineering innovation. Discover new horizons of knowledge and possibilities by immersing yourself in this fascinating and informative book.