Amazon has the TP-Link AV1000 Powerline Ethernet Adapter Starter Kit (TL-PA7017 KIT) for $35 - $5 off coupon (click checkbox) = $30 with free shipping on $35+ or with Prime. Provides wired connection with data transfer rates of up to 1000Mbps.

• Tip: Get 15% cashback ($4.50) with a Prime Card.