Rated at 1300AV with a Gigabit port. Then take the other adapter to a different room, plug it into a wall socket and then connect it to a single internet-enabled device (Smart TV, YouView Box, PC etc) using another ethernet cable.
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Network Cable Tester for LAN RJ45 RJ11 RJ12 CAT5 CAT6 CAT7 UTP Wire Test Networking Telephone Line Detector Tracker Tool
Aliexpress UK
No conjuration required, simply plug your adapters into your power sockets and you can establish networking infrastructure. Connect the device via the network cable to the adapter. AV600 Nano Powerline Adapter Starter Kit.
eBay
YOUYSI Telephone Phone Butt Test Tester Telecom Tool Network Cable Set Professional Test Device Check for Telephone Line Fault
Aliexpress UK
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MS6812 Telephone Wire Tracker LAN Network Cable Tester For UTP STP Cat5 Cat6 RJ45 RJ11 Line Finding Testing
Aliexpress UK
The TP-LINK Power Line Extender Kit includes two powerline adapters that can provide a maximum data rate of 1000 Mbps. With one LAN port available, this extender is ideal for extending the reach of your network to areas where traditional Ethernet cables cannot reach. Made in China, the white-coloured adapters are designed to seamlessly integrate into your existing power outlets, offering a reliable and fast connection for your devices. Ideal for homes or small offices, this power line extender kit is a convenient solution for expanding your network coverage.
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AMPCOM Network Cable Tester, CAT5E CAT6 CAT6A CAT7 RJ45 Networking Lan Cable 8P8C POE RJ11 Telephone Line Continuity Tester
Aliexpress UK
eBay
AMPCOM Network Cable Tester, CAT5E CAT6 CAT6A CAT7 RJ45 Networking Lan Cable 8P8C POE RJ11 Telephone Line Continuity Tester
Aliexpress UK
These powerline adapters will work with any Internet Service Provider (Virgin, Sky, BT, TalkTalk, EE etc). 2 x TP-Link TL-PA7017P powerline adapters with passthrough socket (Ethernet connected not wireless).
eBay
RJ45 RJ11 RJ12 CAT5 UTP LAN Cable Network Tools Telephone Line Tester Detector Remote Test Networking
Aliexpress UK
Rated at 1300AV with a Gigabit port. Keep your outlet - an integrated socket lets you power regular devices as normal and a built-in noise filter prevents them from interrupting the powerline signal. Plug, pair and play - these adapters will automatically pair together making it easy to set up your powerline network and start enjoying fast wired connection in minutes.
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LAN Network Cable Tester Cat5 Cat6 RJ45 UTP STP Line Finder Telephone Wire Tracker Tracer Diagnose Tone Distance Cable Tester
Aliexpress UK
3 x BT Mini Connector v2 (Version 2) Passthrough powerline adapters with DUAL ethernet ports (they are ethernet-connected powerline adaptersnot Wi-Fi / wireless ). These Version 2 Mini Connectors can be used with any Internet Service Provider - Virgin, Sky, TalkTalk, BT etc.
eBay
NOYAFA NF-810 Network Cable Tester Wire Tracker Rj11 Rj45 Cat5 Cat6 Telephone Tracer Wire Cable Lan Line Finder
Aliexpress UK