For its newsletter subscribers only, newegg offers the ZyXEL Mini Powerline AV 500Mbps Ethernet Adapter 2-Pack, model no. PLA4201KIT, for $64.99. Coupon code "EMCYTZT2249" cuts it to $49.99. With free shipping, that's $15 under last month's mention and the lowest total price we've seen for this kit. (It's also a current price low by $20.) These compact adapters use your existing electrical outlets to create a secure high speed building-wide network. They support up to 500Mbps data transfer rates. Deal ends September 23.