•Twisted Pair: oldest type, used by telephone companies, usually Category 1.
•Coaxial Cable: 20 times faster than
Category 1, more expensive
•Category 5: carries signals between 10
& 100 times faster than
coaxial cable, easy to install.
•Fiber-optic cable: most expensive, transmits pulsing beams of light through very thin strands of glass, fastest transmission rate.