Book "Functional devices and power supply of telecommunications systems . Laboratory workshop: training method. allowance: at 4 h. C" by B. In. Klimovich is a unique teaching aid that will become an indispensable assistant for students, graduate students and practitioners in the field of telecommunications and electronics .. This publication not only deepens theoretical knowledge, but also offers practical tasks that will help readers master the complex concepts and principles of telecommunications systems. Klimovich, known for his scientific works and teaching aids, offers readers not just a set of theoretical knowledge, but a whole system that includes laboratory workshops aimed at consolidating the knowledge gained. The book discusses key aspects of functional devices and power supply, which makes it relevant for students of technical universities, as well as for those who already work in this field and want to update their knowledge or master new technologies. One of the main themes of the book is the power supply of telecommunications systems, which in the modern world is becoming especially important. With the constant development of technologies and an increase in the amount of data that is processed and transmitted, understanding the principles of operation and features of the power supply becomes critically important. Klimovich focuses on modern approaches and solutions that will help ensure reliable and efficient operation of telecommunications systems. The book also raises issues related to functional devices, which play a key role in telecommunications systems. Readers will be able to learn about the different types of devices, their characteristics and operating principles. This knowledge will be useful for both designers and those engaged in the maintenance and repair of telecommunications equipment. Writing style in . In. Klimovich is distinguished by clarity and accessibility, which makes complex technical aspects understandable even for those who are just starting their way in this area. He skillfully combines theory with practice, offering readers not only theoretical calculations, but also real examples from laboratory practice. This allows a deeper understanding of the material and apply the knowledge gained in practice. The book will be interesting not only for students and graduate students, but also for practicing engineers who are looking for new approaches and solutions in their work. It will be an excellent addition to the library of any specialist in the field of telecommunications, and will also be useful for teachers who are looking for quality educational materials for their students. If you are looking for literature that will help you understand the complex issues of telecommunications systems, "Functional devices and power supply of telecommunications systems. Lab Workshop" is exactly what you need. The book will not only enrich your knowledge, but will also help you become a more confident specialist in your field. Do not miss the opportunity to immerse yourself in the world of modern technologies and discover new horizons in telecommunications with B. In. Klimovich!