The science and technology of communication over a distance by electronic transmission of information, as words, sounds, or images in the form of electromagnetic signals, and the electronic systems used in transmitting messages, such as telegraph, telephone, cable, radio, or television.
This category has only the following subcategory.
Pages in category "Telecommunications"
The following 85 pages are in this category, out of 85 total.
Media in category "Telecommunications"
This category contains only the following file.
- Radio transmission wav...