It actually supports Ethernet the exact same way Google's Chromecast products do. Simply plug your Ethernet into the adapter and the signal travels down the same line as the power coming from the wall. That's it! Your Amazon Fire TVAmazon Fire TVAmazon Fire TV (stylized as amazon fireTV) is a line of digital media players and microconsoles developed by Amazon. The devices are small network appliances that deliver digital audio and video content streamed via the Internet to a connected high-definition television.https://en.wikipedia.org › wiki › Amazon_Fire_TVAmazon Fire TV - Wikipedia Stick is officially wired to your network.