For its newsletter subscribers, newegg offers the ZyXEL Mini Powerline AV 200Mbps Ethernet Adapter 2-Pack, model no. PLA4101KIT, for $36.99. Coupon code "EMCWXXW79" cuts it to $29.99. With free shipping, that's the lowest total price we could find by $9. 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 October 7.