Transmission media refers to the pathways that carry information from sender to receiver. There are two main types: guided and unguided media. Guided media uses physical pathways like twisted pair cable, coaxial cable, and fiber optic cable to transmit electrical or electromagnetic signals. Unguided media transmits data through wireless means using radio waves, microwaves, or infrared signals transmitted through space via an antenna. Common guided media include twisted pair cable, which consists of two insulated copper wires twisted together, and coaxial cable, which features a central conductor surrounded by insulating and conducting layers.
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Transmission media
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2. Content:
Transmission Media
Guided Media
Twisted pair
STP
UTP
Co-axial cable
Fiber Optic cable
Unguided Media
Radio Waves
Antenna
Microwave
Infrared
3. o What is Transmission Media?
• Transmission media is a pathway that carries the information from
sender to receiver
• We use different type of cables or waves to transmit data.
• Data is transmitted normal through electrical or electromagnetic
signals.
5. Guided Media: The type of communication media in which
communication device are directly linked with each other via cables or
physical media is called guided media.
For Example:
6. Twisted Pair Cable
o A Twisted pair consist of two conductors
o Basically copper based
o With its own plastic insulator, twisted
together.
Advantage:
Cheep
Easy to setup and install
Disadvantage:
Low data rate
Short range
9. Co-axial cable: Coaxial cable, or coax is a type of cable that has an inner
conductor surrounded by a tubular insulating layer, surrounded by a tubular
conducting shield. Many coaxial cables also have an insulating outer sheath or
jacket.
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17. Unguided Media :The type of Communication media in which
communication devices sends and receives data signals through air or space is
called Unguided media. The data is communicated in the form of wave.
Unguided media
Radio wave Microwave Infrared antenna
18. Radio waves: Radio waves are a type of electromagnetic radiation with wavelengths in
the electromagnetic spectrum longer than infrared light. Radio waves have frequencies from
3 THz to as low as 3 kHz, and corresponding wavelengths ranging from 100 micrometers
(0.0039 in) to 100 kilometers (62 mi).