TP-Link AV2000 Powerline Adapter - 2 Gigabit Ports, Ethernet Over Power, Plug&Play, Power Saving, 2x2 MIMO, Noise Filtering, Extra Power Socket for other Devices, Ideal for Gaming (TL-PA9020P KIT) : Amazon.co.uk: Computers
Some musings on Powerline adapters | Mike's Blog
TP -Link powerline adapters randomly disconnect - Super User