Telecommunication refers to the transmission of signals, images, sounds or information by using radio, optical or other electromagnetic systems. The transmission is achieved either electrically through the use of cables or via electromagnetic radiation. Such transmission paths are divided into communication channels, which allow multiplexing. Telecommunication technologies may be divided into wired and wireless methods. A basic telecommunication system consists of a transmitter, a medium of transmission and a receiver. Radio, television, Internet, telephone, etc. are some modern telecommunication media.This book provides comprehensive insights into the field of telecommunications. It outlines the processes and applications of telecommunications in extensive detail. It aims to serve as a resource guide for students and experts alike and contribute to the growth of the discipline.