When you stand too far away from someone who tries to talk to you, you can't hear what she says because the sound waves she emits don't reach your ears. Wireless line-of-sight communications ...

Well, it consists of specialized materials capable of delivering one or multiple communication signals at the same time. Another aspect of this is Broadband Media, which can transmit simultaneously, ...

Digital transmission is the sending of information over physical communication media in the form of digital signals. Analog signals must therefore be digitized first before being transmitted. The ...