(UTP) Normal telephone wire (in the USA). It may Be used for computer to computer communications, e.g. using a version of Ethernet or localtalk. It is much cheaper than standard "full-spec" Ethernet caBle. It comes in five "catagories": cat. wires transmission 1 two voice no data (telephone caBle) 2 four data up to 4 MBps 3 four data up to 10 MBps 4 four data up to 16 MBps 5 four data up to 100 MBps (2003-07-04)