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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Omschrijving Prijs Connector A Connector B Length Sheath Colour Shield Type Outer Sheath Material IP Rating Series Voltage Rating
RS-stocknr. 439-0111
FabrikantRS PRO
€ 9,76
Each
Aantal stuks
Male RJ11 Male BT 3m Transparent Unshielded Twisted Pair (UTP) - - - -
RS-stocknr. 666-0002
Fabrikantnummer565-003-714-900
FabrikantEDAC
€ 14,26
Each
Aantal stuks
3 Way Male Wire to Wire - 1m Black - - - - -
RS-stocknr. 253-0064
FabrikantnummerRA230061
FabrikantDecelect Forgos
€ 16,81
Each
Aantal stuks
- - 5m - - - - - -
RS-stocknr. 303-1271
FabrikantRS PRO
€ 2,63
Each
Aantal stuks
Male RJ11 Male BT431A 3m White - - - - -
RS-stocknr. 616-2609
Fabrikantnummer11.04.1906-10
FabrikantRoline
€ 2,47
Each
Aantal stuks
RJ12 RJ12 6m Grey Unshielded - - - -
RS-stocknr. 252-9884
FabrikantnummerCP162446N
FabrikantDecelect Forgos
€ 5,73
Each
Aantal stuks
Male RJ9 Male RJ9 1.5m Black - - - - -
RS-stocknr. 495-0448
FabrikantRS PRO
€ 2,093
Each (In a Bag of 3)
Aantal stuks
Male RJ9(4/4) Male RJ9(4/4) 2.5m White - - - - -
RS-stocknr. 495-0404
FabrikantRS PRO
€ 1,36
Each (In a Bag of 3)
Aantal stuks
Male RJ11 Male BT431A 3m White - - - - -
RS-stocknr. 331-7698
FabrikantRS PRO
€ 2,97
Each
Aantal stuks
Male BT - 5m White - - - - -
RS-stocknr. 189-7778
FabrikantnummerDS1402D-DR8+
FabrikantMaxim Integrated
€ 24,31
Each
Aantal stuks
Male RJ11 1-Wire 2.4m Black - PVC - - -
RS-stocknr. 495-0460
FabrikantRS PRO
€ 2,143
Each (In a Bag of 3)
Aantal stuks
RJ9 (4/4) RJ9 (4/4) 2.5m Grey - - - - -
RS-stocknr. 253-0008
FabrikantnummerCT1136402I
FabrikantDecelect Forgos
€ 7,18
Each
Aantal stuks
Male RJ11 - 3m - - - - - -
RS-stocknr. 446-670
FabrikantRS PRO
€ 5,83
Each
Aantal stuks
Male MMJ Male MMJ 3m Grey - PVC - - -
RS-stocknr. 666-7555
Fabrikantnummer520-210-002-ASSYRS
FabrikantEDAC
€ 5,51
Each (In a Bag of 2)
Aantal stuks
2 Way Male Wire to Board Free End 1m White - - - - -
RS-stocknr. 252-9991
FabrikantnummerCT1136401I
FabrikantDecelect Forgos
€ 7,18
Each
Aantal stuks
Male RJ11 - 3m - - - - - -
RS-stocknr. 2509146593
Fabrikantnummer9562 060500
FabrikantBelden
€ 264,85
1 Reel of 152 Metre(s)
Reel(s)
- - - - - - - - -
RS-stocknr. 2508609100
FabrikantnummerECJ504-8
FabrikantL-Com
€ 6,82
Each
Aantal stuks
- - - - - - - - -
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