This cable can be used to connect your ADSL Modem (with an RJ11socket) to the Filter/Splitter. plugged into your BT ADSL enabled wall socket. Connection: 4 Pin RJ11 to RJ11. Suite for ADSL connection.
eBay
TISHRIC Krone RJ45 Crimper Professional Lsa-plus Telecom Phone Wire Cable RJ11 Optical Punch Down Crimping Tool Network Kit
Aliexpress UK
This cable can be used to connect your ADSL Modem (with an RJ11socket) to the Filter/Splitter. plugged into your BT ADSL enabled wall socket. Connection: 4 Pin RJ11 to RJ11. Suite for ADSL connection.
eBay
COMNEN RJ11 To RJ45 Adapter Data Cable Telephone Male to Male Modular Data Cord Handset Voice Extension Telephone Data Cable
Aliexpress UK
This cable can be used to connect your ADSL Modem (with an RJ11socket) to the Filter/Splitter. plugged into your BT ADSL enabled wall socket. Connection: 4 Pin RJ11 to RJ11. Suite for ADSL connection.
eBay
D-type Multifunctional Data Module 86 Panel audio video socket XLR VGA BNC RJ45 RJ11 Jack 3.5/6.35 RCA USB3.0 TypeC Connector
Aliexpress UK
Top Quality Cat6a stranded shielded Copper Network Cable made by Excel. Uses expensive extended Shielded RJ12 plugs these are much stronger so stop any chance of cable pull out due to the cable being strained at angles!
eBay
Stripping Crimping Pliers Network Cable Clamp Pliers +Professional Network Cable Tester RJ45 RJ11 RJ12 CAT5 UTP LAN Cable Tester
Aliexpress UK
This cable can be used to connect your ADSL Modem (with an RJ11socket) to the Filter/Splitter. plugged into your BT ADSL enabled wall socket. Connection: 4 Pin RJ11 to RJ11. Suite for ADSL connection.
eBay
High Quality Red KRONE LSA-Plus Punch Down Tool Kit with Sensor for Telecom Phone RJ11 Wire Ethernet Network Cat5 RJ45 Cable
Aliexpress UK
RJ11 Male to RJ11. RJ11 Plug to RJ11 PLUG. Commonly used with ADSL Microfilter attached to phone socket.
eBay
High Quality KRONE Punch Down Tool Kit With Sensor For Ethernet LAN Network Cat5 RJ45 Telecom Phone Wire RJ11 Cable Network Tool
Aliexpress UK
RJ12 is backwards compatible with RJ11. Will fit RJ11 ports and also RJ12 ports. BE AWARE OF FAKE 'CAT6'/'CAT6a' CABLES AVAILABLE ELSEWHERE. They're a gimmick. The cable is shielded with foil and features twisted pairs for maximum signal integrity.
eBay
10" 1U Empty Blank Patch Panel 12 Port Rack Mount Management Support For RJ45 RJ11 RJ12 Keystone Jack Installation Cat5e Cat6A
Aliexpress UK
This is a Modem cable only! Uses a special and expensive extended Shielded RJ12 plug these are much stronger/better crimp so stop any chance of cable pull out due to the cable being strained at angles!
eBay
HQ 1.5-2m KRONE voice module test cord 110 to RJ11 test head telephone dedicated P-wire test cable 110 dedicated voice test line
Aliexpress UK