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|Twisted pair||UTP||Unshielded twisted pair|| UTP cable is not surrounded by any shielding.
This is the least expensive of all the transmission media commonly used for LAN.
They are commonly used in networks.
|STP||Shielded Twisted Pair|| STP offers a protective sheathing around the copper wire.
STP provides better performance at lower data rates.
Cost is moderately expensive
|FTP||Foilded Twisted Pair|
|Cat.5e||100BASE-TX, 1000BASE-T||Enhanced Cat5. Same construction as Cat5, but with better testing standards.|