The tenth edition has been updated to cover all modern topics of Wired, Optical and Wireless Communications, Data Networks, Conventional and VoIP Telephony, TCP/IP and Internet technologies in a simple and understandable way.

The tenth edition includes an extensive analysis of Optical Transmission and related topics on optical fibers in a separate chapter (Chapter 7) with 85 pages and 54 explanatory figures and tables.

It also includes introductory topics such as character encoding tables, numbering systems, detailed description of the use of decibels, as well as analysis of topics related to telecommunication traffic density and Erlang probabilities.

Structured cabling systems have been enriched and constitute a separate chapter (Chapter 6).

Broadband access networks have been moved to Chapter 16, where access optical networks have been added, while topics related to VDSL2 and Vectoring technologies have been updated.

The book is comprehensive and user-friendly, a valuable tool for professionals in the field. It is written by Greek authors who are qualified engineers with extensive experience in the field of Data Communications and in the design, installation, operation, and support of large Communication Networks in our country. It is also a valuable aid for students in higher education institutions, as it combines theory with practice and provides valuable information on many practical telecommunication topics.

The book consists of 21 chapters, 4 appendices, and a rich glossary of terms. It also features 561 explanatory figures and detailed tables.