Home

Concept of network

Communication Devices

Transmission Media

Advantage of network

Disadvantage of network

DEFINITION OF TRANSMISSION MEDIA
Describes the type of physical system used to carry a communication signal from one system to another.

TYPES OF TRANSMISSION MEDIA
Physical Transmission Media : Data transmits through wires and cables.
Wireless Transmission Media : Data is transmits using signal through the air without using wires and cables.

EXAMPLES OF PHYSICAL TRANSMISSION MEDIA

Terms	Definition
Twisted-pair Cable	A networking cable that consisting of wire strands twisted in sets of two and bound into a cable.
Coaxial Cable	A networking cable consisting of center wire inside a grounded, cylindrical shield, capable of sending data at high speeds.
Fibre-Optic Cable	A networking cable that utilizes hundreds of thin transparent fibers over which lasers transmits data as light.

EXAMPLES OF WIRELESS TRANSMISSION MEDIA

Terms	Definition
Communication Satellite	An earth orbitting device that relays communications signals over long distances.
Cellular Radio	A form of broadcast radio designed for use with cellular telephones that broadcast using antenna located inside honeycomb-shaped cells.
Microwaves Station	An earth-based device that sends and receives high-frequency, high speed radio signals.