Red Champion RJ11 Telephone Line Cord Wire Patch Cable, Modular Connection Cable – RJ12 Male (6P6C) to RJ12 Male (6P6C) Compatible for Landline, Telephone, Microfilter Black 5 Meters (2Pck)With RJ11 Coupler, Telephone Phone Line Jointer Connector (Pack of -2).

HIGH QUALITY – connection cable for connecting telephone devices with RJ12 sockets. Suitable for e.g. analogue and a few ISDN phones and faxes, DSL splitters, DSL routers and modems
Connector has 6 poles (6P), of which 6 poles are occupied (6C)
CONNECTOR TYPE 1- RJ12 plug (6P6C); Connector type 2: RJ12 plug (6P6C); Cable type: Flat cable; Subject material inner conductor: CCA (copper-clad aluminium)
HIGH SPEED – Keple flat RJ11 to RJ11 white ADSL cable provides high-speed transmission and its faster than such a lot of alternative modem extension cables.
EXTRA DURABLE – ADSL cable has fully molded strain relief and higher shielding than such a lot of alternative RJ11 extension cables. This RJ11 telephone extension cable molded connections improves durability and strength reducing the chance of cable and connector separation.
SOFT & FLEXIBLE – RJ11 to BT cable is soft and versatile for ease of use and avoids the trouble of entanglement but is still strong to offer superior performance for white RJ11 cable.