This is a RJ11 UK BT Telephone, Fax Modem, and Fax Machine Extension Cable. 
30 Metre UK Telephone Male to Female Extension Cable
 
This is a RJ11 UK BT Telephone, Fax Modem, and Fax Machine Extension Cable. Extend your existing cable by simply plugging it into the female socket port, and the other end into the Telephone Socket or another Extension Lead. High-quality extension leads to allow your Telephone / Modem / Fax Machine to be situated further from your BT telephone socket. High specification cable, designed for maximum signal and clear voice integrity and optimum performance. This is a brand new good quality BT plug to socket extension cable suitable for any standard UK telephone socket, it is ideal for telephones, Fax machines, Fax Modems and Sky satellite boxes. Complies with the CE, FCC and ROHS. With a 4 pin lead connection and purely made Copper wires in order to keep the data flow flawless. 

 
Does the Job
 
The RJ11 cable does exactly the job you buy it for at a fair price.
 
Durable Cable
 
Well made cable that's durable.
 
Specifications
 
 
 
BT Telephone Extension Cable 
 
Extend your current line at home or in the office 
 
Works with all UK phone lines 
 
Suitable for Fax Modem Fax Machine Sky and Satellite Boxes 
 
4 Pin Connection 
Home Gift Wholesalers, Sport, Toys, Kitchen, Bathroom, Homeware and Gifts.
 
Item will be sent randomly (Offer only applies if multi-colour is available)
 
Please allow 7 working days if the item has not arrived, please contact me immediately. In addition, if the item does not arrive on time a refund will be given.
 
We also recommend you get your local sorting/post office to see if the parcel is waiting for you there.