1 x TP-Link TL-PA8010P 1300AV powerline adapter (ethernet-connected powerline adapter not Wi-Fi enabled). Rated at 1300AV (Gigabit). 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.
eBay
2x Tenda PH3 Gigabit powerline adapters.They are ethernet cable connected i.e. they donot have a Wi-Fi Hotspot function. Rated at 1000AV (1 Gigabit). Then take the other adapter to the room you require, plug it into a wall socket (not extension lead) and connect it to the LAN socket of the device (Smart TV, TV box, PC, console etc) using another ethernet cable.
eBay
2 x BT Mini Connector Passthrough powerline adapters (wired/ethernet-connected powerline adaptersnot wireless).
eBay
Part Number YB7-A AGM. Battery Type Code YB7-A. Length 137 mm. Height 123 mm. Width 76 mm. Warranty 1 year warranty.
eBay
Powerline AV600 Ethernet Adapter x 1. Miniature design, smaller than most powerline adapters at the market, blends discreetly in front of any power outlet. Simply by pushing the Pair button on the adapters, users can set up a hassle-free Powerline network within minutes, complete with 128-bit AES encryption for network security and data protection.
eBay
2 x Cat5e Ethernet cables.
eBay
eBay
eBay