Unfortunately, we moved into a desert house in Arizona, and the "Amenities" are less than desirable.  No cable, no dsl, no fiber, just a whopping fast 300meg 5G.  So, we have their 5G router/modem to run 2 gamers, one working from home and another occasionally, 3 TVs and security. What fun!  Anyway, of course the router is close to the two that work from home. So range for the other end just makes it worse. So, I bought the router a little while before we moved and thought I may as well put it to work.  I know it's overkill for this task, but... if it helps clear up the signal.  I found a couple outdated manuals that were pretty worthless. 

One of them said to set the WDS Range Extender mode. Which I didn't see as an option, so it stopped there. 

There instructions out there to help set this up?

Thanks!