Need Wired Ethernet Access but Noisy Extender

Link to examples of the noise -

mesh.    

Wot he said.

out of options 

huh?

So a mesh point with ethernet output? Those have cleaner power supplies?

What ethernet wire are you using?

Wire above 6a should have a ground wire, which should help with noise. Though your equipment should allow it to be effective.

B

Using Cat 5e. I'll order a better cable to see if that helps.