Currently the telecommunications process almost always involves transmitting electromagnetic waves through a plane transmitter. Such things we never encountered in the past, where people use traditional communicating smoke signal, or flag semafor gong. Modern era, as now, telecommunications is very wide with the use of various tools to assist the communication process.
Examples that have been very akarab with us is television, radio, telephone. In addition it can also be found linking the use of network communication devices, such as computer networks, public telephone networks, radio networks, and network television. Communication with the computer more and more also the user via the internet, for example with the Internet to send letters (email = electronic mail) and fast-paced pesanpesan. The system is partly an example of telecommunications.