Using existing electrical wiring and powerline technology, devices can now be connected at wired speeds without expensive rewiring and Ethernet (CAT5e/6) cables. With new G.hn technology, real world powerline performance is significantly improved over current powerline standards.
Comtrend PG-9172-kit to link 4k camera ot station.
I used this product to connect a 4K Lorex camera to the NVR. In my case I had runs of different lengths. It would not work in all runs. The limiting factor seem to be distance. About fifty yards seems to be the max distance it would work for me. I am pleased with the device. I only used one set. Not sure if two or more sets would degradate the performance of each other.