Edimax Nano Size Powerline Adapter Starter Kit, Supports up to 500Mbps Powerline speed (HP-5101K) Easy plug-n-play setup and support maximum powerline speed tp to 500Mbps Backward compatible with 200Mbps powerline adapters Utilizes existing electrical wires to transmit network data Powerline transmission range up to 300 meters HP-5101K adapter kit includes 2 units of HP-5101