Buy.com via Rakuten Shopping offers the ZyXEL AV Powerline Wall Mount Ethernet Starter Kit bundled with a Powerline AV 500 Mbps Gigabit Adapter, model no. PLA4225KIT-SP, for $79.99 with free shipping. That's $71 under the lowest total price we could find for these items purchased separately elsewhere. These adapters use your existing electrical outlets to create a secure high speed building-wide network with up to 500Mbps data transfer rates.