newegg offers the ZyXEL PLA407 HomePlug AV Powerline Wall Mount Ethernet Adapter Kit 2-Pack, model no. PLA407, for $74.99. With free shipping, that's the lowest total price we could find for this quantity by $35, although we saw them for a buck less in February. Used with other PLA407 adapters, it plugs into a wall power outlet to expand your home network without running Ethernet cables through the walls. It supports up to 200Mbps data transfer rates.