The tenth two-color edition has been updated to cover all modern topics of Wired, Optical, and Wireless communications, Data Networks, Conventional and VoIP Telephony, and technologies of TCP/IP and the Internet in a simple and comprehensible manner.

The tenth edition includes an extensive analysis of Optical transmission and related topics on optical fibers in a standalone chapter (Chapter 7) with 85 pages and 54 explanatory figures and tables. It also contains introductory topics such as character encoding tables, numbering systems, a detailed description of the use of decibels, as well as an analysis of topics related to telecommunications traffic density and probabilities according to Erlang.

The structured cabling systems have been enriched and constitute a standalone chapter (Chapter 6). The broadband access networks have been moved to Chapter 16 where optical access networks have been added, and the topics related to VDSL2 technologies and Vectoring have been updated.

The book is complete and user-friendly, a valuable aid for professionals in the field. It is written by Greek authors who are certified engineers with many years of experience in Data Communications and in the design, installation, operation, and support of large Communication Networks in our country, and it serves as a valuable resource for students in higher education institutions, as it excellently combines theory with practice and offers hard-to-find information on many practical telecommunications issues.

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