The Sitecom Powerline Ethernet adapters allow you to use your mains electricity circuit to transfer data, this way you can extend your network to wherever you have a free plug socket. The product we test today comes from Sitecom, their 500 Mbps plus Homeplug. The kit provides a connection of up to 500Mbits/sec. Divide that by 8 bits and you'd in theory would be able to see transfer speeds of 62.5 Megabyte per second. In practice, however we tested the maximum net data rate is much MUCH lower, 60~100 Mbits/sec - still that is faster than Wi-Fi and sufficient fenough or streaming high-definition video from say your PC with network shares to, for instance, your HTPC. Read article