LENKENG LKV380PRO
HDMI over power line transmitter and receiver kits, it allows you to transmit 1080P HDMI signals upto 300 meters using existing Power Line cable, and support one transmitter to multi-receivers connection, simultaneous delivery of HD A/V up to 4 RX, saving you the hassles of rewiring. It is a lower cost alternative to professional A/V installation.