The Amiko's powerline network adapter is what you are looking for for a cheap, yet quality solution for you to extend your Wi-Fi.
Easy to install, great transfer speed and excellent coverage range.
*Wall-mounted design for easy deployment
- Plug and play
- One button to pair and secure
- Add to any existing Powerline network
* HomePlug AV Technology
- Transfer speed up to 500Mbps over existing electrical lines
- Coverage range up to 300mt(1000feet) over existing electrical lines
* 10/100Mbps Ethernet port