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!
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USB 5V for DC 9V 12V Output 3x 18650 Battery UPS DIY Power Bank Box for Router Cellphone Tablet Modem CCTV Camera
Aliexpress UK
I only use high grade Cat 6 cable with copper wires. For full performance you should use a cable like this! Hand assembled and tested in England. (all cables tested prior to dispatch).
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5V 9V 12V Output 3x/6x 18650 Battery UPS Uninterrupted Power Supply DIY Power Bank Box for House Router Cellphone Tablet Modem
Aliexpress UK
eBay
5V 9V 12V Output 6 x 18650 Battery UPS Uninterrupted Power Supply DIY Power Bank Box for House Router Cellphone Tablet Modem
Aliexpress UK
ZMI Z1 travel assistant: phone, powerbank & translator. A:ZMI Z1: more than just a phone. That’s why th e Z1 quickly reminds us of the Nokias and Sony Ericssons of the pre-Smartphone era. Not so exciting is the hardware inside.
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4G VoLTE Wifi Router Wireless Landline Voice Call Router Hotspot Broadband Fixed Telephone Wireless Desktop Phone With Sim Slot
Aliexpress UK
Designed for busy executives and professional, the SIP-T46U IP phone is an ultimate communication tool that has the better overall performance. The phone employs an appealing high-resolution TFT color display that looks brighter and more vibrant.
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4G LTE WiFi Router WiFi 6 Modem 300Mbps With SIM Card Slot Fixed Telephone Volet WAN/LAN Adaptive Interface Supports 32 Users
Aliexpress UK
The Wireless Router 4G Wireless Portable WiFi Card is a pocket-sized device that provides wireless connectivity on the go. Utilising 4G cellular network technology, it offers fast and reliable internet access for mobile phones. Manufactured in China by The Newest Technology, this product is designed to be compact and convenient, making it perfect for use at home or on the move. With its free offer, it is a cost-effective solution for those who require mobile broadband connectivity.
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Phone Holder with Cellphone Signal Booster Amplifier Aerial GSM CDMA 3G 4G LTE Antenna FME Connector for Mobile Router
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.
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5G WiFi 6 Mobile Hotspot Router 6100mAh Portable Support 16 Devices SIM Card Slot for Phone Tablet High Speed Travel Hotspot
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
New AC85-265V DC1018P Router 5V9V12V Optical Cat Monitor Backup Uninterruptible 10400Mah DC Power Supply Charger Cell Phone UPS
Aliexpress UK