TP-Link AV600 Powerline WiFi Extender - Powerline Adapter with N300 WiFi, Power Saving, Ethernet over Power(TL-WPA4220 KIT) WiFi powerline adapter provides up to 600Mbps Ethernet over power, up to 300Mbps WiFi. Ideal to be Ethernet extender who can easily go over the walls As network adapters supporting HomePlug AV, easy to add multiple adapters and works under 110-240V Power saving automatically reduces power consumption by up to 85% Microsoft Windows 2000 / XP / 2003 / Vista / 7 / 8 , MacOS , Linux Data encryption by 128-bit AES to make the network safe and private Industry Leading Support: 2-year warranty and free 24/7 technical support. Amazon Dedicated Support Email: Support.Amazon@tp-link.com