Give your PowerPoint presentation more power with our professionally designed Telecommunication PowerPoint Templates and Backgrounds!
Means of telecommunication have evolved through the history from using visual signs, such as smoke signals, signal flags or audio messages such as coded drumbeats, lung-blown horns and loud whistles to the use of electrical devices such as the telegraph, telephone, as well as the use of radio and microwave communications, fiber optics and their associated electronics not to mention the use of the orbiting satellites and the Internet.