. A receiver block diagram for a certain analog voice communication system is shown below. The SNR at the output of the LPF must be at least 6 dB for the voice to be understandable. The transmitter and the receiver are separated by a line-of-sight path with a distance of 4 km. The antenna at the transmitter and the receiver have a gain of 33 dB each and operates at a frequency of 2.4 GHz with a 20 MHz bandwidth.

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Transmission media

A communication channel that transmits data from a source to a recipient is referred to as "transmission media." Electromagnetic impulses are used to transmit data. Transmission media's primary purpose is to transmit data in the form of bits via a local area network (LAN). In data transport, it is the physical link that connects the transmitter and receiver. Transmission medium is part of layer 1 or physical layer of the ISO/OSI (Open System Interconnection) model.