How Can You Discuss Communication Channels In Unbounded Media?

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abdul rehman answered
In unbounded media, communication devices communicate with each other through air or space using broadcast radio signals, microwave signals and infrared signals. Unbounded media is used where it is impossible to install cables. Data can be transferred all over the world. Some examples of unbounded media for communication are Microwave and Communication satellite. Microwave is radio waves that are used to provide high-speed transmission. Both voice and data can be transmitted through microwave. Data is
transmitted through the air from one microwave station to another similar to radio signals.

Microwave uses line-of-sight transmission. It means that the signals travel in straight path and cannot bend. The microwave stations or antennas are usually installed on high towers or buildings. Microwave stations are placed within 20 to 30 miles to each other. Each station receives signal from previous station and transfer to the next station. In this way, data transferred from one place to another. There should be no buildings or maintains between microwave stations. Communication satellite is a space station. It receives microwave signals from earth station. It amplifies the signals and retransmits them back to earth. Communication satellite is established in space about 22300 miles above the earth. The data transfer speed of communication satellite is very high.

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