As one of its daily deals, PricePlunge offers the LEA Networks Netplug 200+ Ethernet Adapter 2-Pack for $16.99 plus $4.99 for shipping. That's $10.99/adapter and the lowest total price we could find by $13, although we saw it for $1 less in July. These compact adapters use your existing electrical outlets to create a secure high speed building-wide network. They support up to 200Mbps data transfer rates. Deal ends today.