In the past, when mankind has developed a language that is used to communicate between each other. Meetings to exchange information between each other, it has been developed into a series. From communication among community groups also have cross-group communication across communities. Development method of communication to achieve a fast and convenient communication, e.g. using the Dove using horses in communications. The use of audio signals by drum tap of wood or with smoke signals, etc., then it is developing the technology in the communication to help with communication between each other.
If it breaks the communication transmission characteristics of human beings is the topic we will be divided as follows:
1. communication.
2. communication with the
3. communication by use of a computer.
4. communications using satellite
5. communication with wireless systems.