The BT VDSL filtered face plate will take the bigger RJ45 plug. Uses a special and expensive extended Shielded RJ11 plug these are much stronger/better crimp so stop any chance of cable pull out due to the cable being strained at angles!
eBay
ANENG Networking Analyzer Network Cable Tracker M469A RJ45 RJ11 Telephone Line Network Wire Detector Tracker Measure Cables Tool
Aliexpress UK
Digital High Speed ADSL 2+ . RJ 11 to RJ11 Male to Male Connections. Fixed Moulded Connections Improving Durability and Strength Reducing the risk of Cable to Connector Separation.
eBay
ANENG Network Cable Tracker M469A Networking Analyzer RJ45 RJ11 Telephone Line Network Wire Detector Tracker Measure Cables 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
30/25/20/18/15/12/10/9/7.7/6/3/2/1M RJ11 male Two Core 6P4C Modular Telephone Phone Cables Extension Cable Wire Finished phone l
Aliexpress UK
Adsl Cables,Filte. RJ11 to RJ11 / 4 Way Wired. Ending Soon. Not from the modem to PC. Colour: Black. Add to Favourites. rs & Adaptors. Network Cables.
eBay
Network LAN Wire Tracer with Receiver and Transmitter for RJ11 Cables Antenna Analyzer Wave Line Tracer Network Telephone Cable
Aliexpress UK
As ADSL speeds increase, your normal phone cable isnt up for the job so to be able to get you a faster Internet connection this High Speed Internet Modem cable will sort you out. Capable of passing 100Mbits of information per second, giving you the fastest possible Internet connection.
eBay
BSIDE FWT11 High Quality RJ11 RJ45 Cat5 Cat6 Telephone Wire Tracker Tracer Toner Ethernet LAN Network Cable Tester Line Finder
Aliexpress UK
RJ11 Male to Male cable with a coupler supplied (the picture shows the coupler attached). Can be used with the coupler to extend an existing cable or without the coupler to just replace an existing cable.
eBay
Ratcheting Modular Data Cable Crimper / Wire Stripper / Wire Cutter for RJ11/RJ12 Standard, RJ45 Pass-Thru Connectors
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
1pcs 10m RJ11 Telephone Connector Extension Cable White
Aliexpress UK
RJ11 both ends with all 4 wires joined. RJ11 Male connections.
eBay
BSIDE FWT11 Network Cable Tracker Wire Tester RJ11 RJ45 Cat5Cat6 Ethernet LAN Detector Line Finder Telephone Wire Tracker Finder
Aliexpress UK