hyperlinks :
basic
communication device
transmission media
advantages and disadvantages

Definiton Of Transmission Media : Type of physical system used to carry a communication signal from one system to another

Type Of Transmission Media : 1) Wired
                                               2) Wireless

Transmission Media Terms and Example :

 1) Communication Satellite - An earth- orbiting device that relays communications  signal over long distances.
                    2) Cellular Radio - Is a form of broadcast radio that is in wide use for mobile communication
3) Microwaves - Radio waves that provide a high-speed signal transmission  using electromagnetic radio wave

Physical :

Cable : 1) Twisted pair Cable
2) Coaxial Cable
3) Fiber - Optic Cable
Wireless :

1) Infrafed
2) Cellular radio - 2G, 3G, 4G
3) Microwaves