Then take the other three adapters to other rooms in your property, plug them into wall sockets (not extension leads), and then connect each one to the LAN socket of a device (Smart TV, TV box, laptop, CCTV etc) using the other ethernet cables.
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20 pcs High Power LED Chip Lamp Bulb 2.1V-3.6V 110-120LM Bead Line Emitter Diode SMD IC LED Lamp DIY Led Light Home Decoration
Aliexpress UK
No CD installation required—encrypted TRENDnet adapters auto-connect out of the box. TRENDnet adapters auto-connect out of the box. High performance Gigabit port. 128-bit AES encryption to ensure total network security and Power Saving mode reduces electrical consumption by 80%.
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1PCS Li-ion Battery Adapter Converter Extended Line Weight Reducer For 18V 21V Lithium Battery Power Tool Accessories
Aliexpress UK
Enjoy a stable and robust connexion without the need for complex installations.
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【Peace】Timing 24H Automatic Power Off Reset Line DC 5V-15V 5.5x2.1mm Rout-er Rebooter WiFi Reset Router Timing Restart Module
Aliexpress UK
3 x Simpler Networks HP200PT64BT2 Passthrough powerline adapters (wired/ethernet connectednot wireless). As the signal supplied by powerline adapters is usually more stable than Wi-Fi, they are ideal for solving common Wi-Fi problems such as signal drop outs, Wi-Fi dead spots and buffering on devices.
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300B gall power amplifier classic KIT-1 line high fidelity tube audio kit DIY
Aliexpress UK
The TP-Link AV1200 Gigabit Passthrough power line AC WiFi Kit is a brand new booster from TP-LINK. It features three LAN ports and a sleek white design, perfect for enhancing home networking and connectivity. This model, the AC1200, ensures a reliable and high-speed connection for computers, tablets, and other networking devices. Ideal for improving internet access in hard-to-reach areas of the home, this power line WiFi kit provides a convenient and efficient solution for expanding network coverage.
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USB power boost line DC 5V to DC 9V / 12V Step UP Module USB Converter Adapter Cable 2.1x5.5mm Plug
Aliexpress UK
Line-Neutral/Line-Ground 2×2 MIMO with Beamforming ensures larger range, higher transmission capacity and more stable connections. Perfect for bandwidth demanding activities like streaming Ultra HD video to multiple devices simultaneously, online gaming and large file transfers.
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Router Rebooter WiFi Reset Router Timing Restart Module Timing Automatic Power Off Reset Restart Control Line 5V-24V
Aliexpress UK
Plug, pair and play, set up your powerline network and start enjoying fast, seamless wired/wireless connection in minutes. Data link protocol Gigabit Ethernet, IEEE 802.3. Hardware interface Ethernet.
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Brand New 6020 Cooling MB60202V1-000C-A99 For SUNON DC24V 1.80W 60*60*20MM Square Fan 2-Line Power Supply Chassis Cooler
Aliexpress UK
Model : Powerline 1000 PL1000. Type: Powerline Adapter. Features : Gigabit, RJ-45.
eBay
SAMIROB Usb Power Boost Line Dc 5v 9v 12v Step Up Module Usb Converter Adapter Cable 2.1x5.5mm Plug
Aliexpress UK