types of transmission media,,,,,

• This is copper cable..

• One of transmission media that we use..

• The oldest installed cables are copper and it is still the most used material for connecting devices..

• Almost every topology has its copper version..

• However, copper cable is a weak data communication..

• It is use for  handles the interference sensitive analogue signal..

Example of copper cable :

This is twisted pair wire

• Twisted pair wire is the simplest, cheapest and most common cable.
•  It is a standard copper wire in a protective plastic sheath, with or
  without a protective metal screen.