How to organize the capture of video from hdmi and its further broadcast over the air with minimal delay?

Question

RTMP

I want to organize the broadcast of an image from any hdmi device without noticeable delay over the network.
You want 4k 60 frames, but 1080x60 is also suitable.
Anyone who has come across it will be interested in any help, what to read, what protocols to use, libraries can be of some kind, any information will be useful.
The goal is to use Standalone VR devices as a monitor for PC and consoles.

Answer 1

Air and minimum delay are incompatible concepts, except for the "bridge" of directional antennas.

Answer 2

via ncoder + www.armlive.live service