Moonlight
Recommended by someone who installed various streaming setups for schools.
Claims better than Steam Link and NVIDIA Shield
guide that walks through setting up a stream with 2 pcs.
Moonlight’s target bitrate for 1440p content is 40 Mbps. so fast enough to stream on a home Wi-Fi or with a Powerline Ethernet Adapter.
Moonlight is a virtual solution for HDMI and USB extension