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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제품설명 단가 Connector A Connector B Length Sheath Colour Shield Type Outer Sheath Material IP Rating Series Voltage Rating
RS 제품 번호 446-664
제조사RS PRO
₩5,166.15
Each
수량
Male RJ12 Male RJ12 3m Grey - PVC - - -
RS 제품 번호 446-658
제조사RS PRO
₩4,104.40
Each
수량
RJ9 RJ9 3m Grey - PVC - - -
RS 제품 번호 446-686
제조사RS PRO
₩6,429.40
Each
수량
Male RJ45 Male RJ45 3m Grey - PVC - - -
RS 제품 번호 667-3168
제조사RS PRO
₩5,919.45
Each
수량
Male BT Female BT 5m White - - - - -
RS 제품 번호 182-4532
제조사RS PRO
₩5,795.45
Each
수량
Male RJ9(4/4) Male RJ9(4/4) - Cream - - - - -
RS 제품 번호 303-1271
제조사RS PRO
₩4,426.80
Each
수량
Male RJ11 Male BT431A 3m White - - - - -
RS 제품 번호 303-1287
제조사RS PRO
₩7,018.40
Each
수량
RJ11 RJ11 3m White - - - - -
RS 제품 번호 182-4560
제조사RS PRO
₩3,681.25
Each
수량
Male RJ9(4/4) Male RJ9(4/4) 5m White - - - - -
RS 제품 번호 446-670
제조사RS PRO
₩4,104.40
Each
수량
Male MMJ Male MMJ 3m Grey - PVC - - -