The package contains one wireless and one wired 500Mbps Powerline adapter. This Powerline with wireless N range extender can transmit data up to 500Mbps across the power line and 300Mbps across wireless connection. To extend wireless coverage to unreachable area in your home, just simply fit this device into an electrical outlet and it will get internet signal via your existing powerline unit immediately. It is compatible with major brands 500 or 200Mbps homeplug and is a good idea to use this device for many applications such as video streaming, VoIP, online gaming and etc.