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Home » Technical guide » Copper data cables

Copper data cables

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The development of communication cable technology is rapidly changing and the use of high-speed networks is growing exponentially. CABLOFIL® has become accepted as the ideal support for copper communication cables (coaxial cables and twisted pairs).


The category characterises the performance level of a single component, such as a cable, connecter or even a lead. For example, a cable will be stamped "Cat. 6" if it passes the tests required for Category 6 approval.

The class characterises the performance level of a combination involving more than one component (e.g. cable + connector). As such, the class defines the performance level of an installation rather than providing information on a component.

Category Class Throughput Frequency
Cat. 5 D ≤ 100 Mbit/s 100 Mhz
Cat. 5e D ≤ 100 Mbit/s 155 Mhz
Cat. 6 E ≤ 1  Gbit/s 250 Mhz
Cat. 6a Ea ≤ 10 Gbit/s 500 Mhz
Cat. 7 F ≤ 10 Gbit/s <600 Mhz
Cat. 7a Fa ≤ 10 Gbit/s 1000 Mhz

When compiling specifications, it is best to specify the desired application class as well as the category of the components to be installed.


Low-cost and easy to manipulate, screened coaxial cables are used in data, industrial and instrumentation applications to transmit fast digital signals at low level.

Protective sheath

Metal braid


Copper core



This type of cable is most commonly used for telephony and data applications in local area networks? The pairs, two intertwined copper wires, are insulated from each other by plastic and enclosed in a sheath.

U/UTP Unshielded Twisted Pair:
Unshielded twisted pair in an unscreened sheath. The most widely used around the world and also the cheapest.
F/UTP Foiled Twisted Pair:
Twisted pairs in a screened sheath. Mostly used in France.
S/FTP or S-STP Screened Shielded Twisted Pair :
Screened twisted pairs in a screened sheath. Mainly used in Germany.
The screening of FTP and SFTP cables will only be effective against electromagnetic interference if both ends are connected to earth