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
RJ11 to 9 Way D Type Female Cable CABLE/EJ101442 for Trend IQ2 Controllers
Aliexpress UK
RJ11 to BT Plug. Standard Modem Cable.
eBay
ANENG M469A Smart Network Cable Tester RJ45 RJ11 LAN Cable Tester Finder Wire Tracker Receiver Network Repair Electrical Tool
Aliexpress UK
Top Quality Cat6a stranded shielded Copper Network Cable made by Excel. 50 cm length RJ12 to RJ12 made with Cat6a twisted pair cable. 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
RJ11 6P4C 1 to 2 Wire Adapter Telephone Ethernet Cord Converter Landline Male to Female Plug Separator 1 In 2 Out Cable Splitter
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
AMPCOM Network Cable Tester LAN Wire Tester Tool Networking Tool Ethernet Cable Repair For RJ45 RJ11 RJ12 CAT5 CAT6 CAT7 CAT8
Aliexpress UK
RJ11 to RJ45. RJ11 Plug to RJ45 PLUG.
eBay
SAIVXIAN Professional Multi Function 4 In 1 Network Cable Tester RJ45/RJ11/USB/BNC LAN Cable Cat5 Cat6 Wire 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
100Pcs UY UY1 UY2 K1 K2 K3 Filling Butt Wire Line Terminal Connector RJ45 RJ11 Wiring Ethernet Telephone Cable Cord
Aliexpress UK
This cable can be used anywhere a 2 or 4 pin RJ11 connection is required but are most commonly used to connect your ADSL Modem (with an RJ11 socket) -. to the Filter/Splitter plugged into your BT ADSL enabled wall socket.
eBay
ANENG M469C Multifunction Smart Network Cable Finder RJ45 RJ11 LAN Cable Tester Finder Wire Tracker Receiver Network Repair Tool
Aliexpress UK
Enhance your internet connectivity with our premium RJ11 to RJ11 ADSL cables. A popular choice as a high speed modem cable for providers such as Sky, BT, TalkTalk, EE and more. This cable can be used to connect your ADSL modem (with an RJ11 socket) to the Filter/Splitter plugged into your BT ADSL enabled wall socket.
eBay
HABOTEST HT812A Cable Tester Network Cable Tester RJ11 RJ45 Dual-use Tester LED Status Display NC/HDMI Repair
Aliexpress UK