Signal Communication has different interpretations in different environments. After the occurrence of radio wave communication, communication is simply interpreted as the transmission of information. It refers to the transmission and exchange of information from one place to another. The purpose is to transmit messages. . However, communication is the continuous improvement of human civilization as the development of social productivity grows in the process of human practice. Among various communication methods, a communication method that uses "electricity" to transmit a message is called Telecommunication, which is characterized by rapidity, accuracy, reliability, and the like, and is hardly affected by time, place, space, and distance. The limitations have been rapidly developed and widely used; in today's world, the physical communication (postal communication) that combines cultural exchange with the real economy and accumulates progress from the ancient human matter exchange process is understood by human beings as a constraint. A hindrance to economic development.