Telephone Extension Cables

Telephone extension cable is a flexible extension lead used to communicate data from a phone or modem to a BT plug. Their extension length allows them to extend the capabilities of the current cable. Copper wires within the extension cable are used to transmit low voltage, high frequency electrical loads across long distances.

Fibre optic cables can also be considered a type of telecommunications cable and are at the cutting edge of communications as they have been designed to handle very high bandwidths.

What are telephone extension cables used for?

Telephone extension cables are used as a way of achieving long-distance communication. This includes telephones, television and computer communications.

Telephone extension cables differ mostly because of their cable connections. BT telephone sockets were introduced into people’s homes so they could have access to a telephone and broadband. There are two types of BT plug connectors, 431A which is 4-way and 631A which is 6-way.

The connector on the telephone is not standard but is typically a RJ11, 6P4C or 6P2C modular connector. In order to use broadband a DSL filter is necessary allowing low frequency noise to not be affected by high frequency data. The RJ11 and ADSL plugs can both connect to the DSL filter by using the sockets provided.

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Beskrivning Pris Connector A Connector B Length Sheath Colour Shield Type Outer Sheath Material IP Rating Series Voltage Rating
RS-artikelnummer 446-664
VarumärkeRS PRO
53,22 kr
Each
Enheter
Male RJ12 Male RJ12 3m Grey - PVC - - -
RS-artikelnummer 446-686
VarumärkeRS PRO
91,28 kr
Each
Enheter
Male RJ45 Male RJ45 3m Grey - PVC - - -
RS-artikelnummer 303-1287
VarumärkeRS PRO
57,27 kr
Each
Enheter
RJ11 RJ11 3m White - - - - -
RS-artikelnummer 182-4560
VarumärkeRS PRO
57,27 kr
Each
Enheter
Male RJ9(4/4) Male RJ9(4/4) 5m White - - - - -
RS-artikelnummer 667-3165
VarumärkeRS PRO
38,18 kr
Each
Enheter
Male BT Female BT 3m White - - - - -
RS-artikelnummer 446-670
VarumärkeRS PRO
58,33 kr
Each
Enheter
Male MMJ Male MMJ 3m Grey - PVC - - -
RS-artikelnummer 495-0448
VarumärkeRS PRO
36,47 kr
Each (In a Bag of 3)
Enheter
Male RJ9(4/4) Male RJ9(4/4) 2.5m White - - - - -
RS-artikelnummer 495-0404
VarumärkeRS PRO
22,18 kr
Each (In a Bag of 3)
Enheter
Male RJ11 Male BT431A 3m White - - - - -
RS-artikelnummer 439-0111
VarumärkeRS PRO
108,77 kr
Each
Enheter
Male RJ11 Male BT 3m Transparent Unshielded Twisted Pair (UTP) - - - -
RS-artikelnummer 303-1271
VarumärkeRS PRO
28,79 kr
Each
Enheter
Male RJ11 Male BT431A 3m White - - - - -
RS-artikelnummer 495-0460
VarumärkeRS PRO
37,43 kr
Each (In a Bag of 3)
Enheter
RJ9 (4/4) RJ9 (4/4) 2.5m Grey - - - - -
RS-artikelnummer 439-0127
VarumärkeRS PRO
110,27 kr
Each
Enheter
Male RJ11 Male BT 5m Grey Unshielded Twisted Pair (UTP) - - - -
RS-artikelnummer 331-7698
VarumärkeRS PRO
39,35 kr
Each
Enheter
Male BT - 5m White - - - - -
RS-artikelnummer 667-3171
VarumärkeRS PRO
22,68 kr
Each (In a Bag of 3)
Enheter
UK Plug UK Jack 5m White - - - - -
RS-artikelnummer 495-0505
VarumärkeRS PRO
37,787 kr
Each (In a Bag of 3)
Enheter
Male RJ11 Male BT 3m White - - - - -
RS-artikelnummer 182-4532
VarumärkeRS PRO
49,69 kr
Each
Enheter
Male RJ9(4/4) Male RJ9(4/4) - Cream - - - - -
RS-artikelnummer 446-658
VarumärkeRS PRO
59,08 kr
Each
Enheter
RJ9 RJ9 3m Grey - PVC - - -
RS-artikelnummer 666-0018
Tillv. art.nr565-005-724-900
VarumärkeEDAC
76,50 kr
Each
Enheter
5 Way Female Wire to Wire - 1m Black - - - - -
RS-artikelnummer 334-5918
Tillv. art.nrSPE164912
VarumärkeDecelect Forgos
115,21 kr
Each
Enheter
Male RJ11 - 3m Black - - - - -
RS-artikelnummer 252-9991
Tillv. art.nrCT1136401I
VarumärkeDecelect Forgos
74,24 kr
Each
Enheter
Male RJ11 - 3m - - - - - -
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