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maxpuissant's avatar
maxpuissant
Aspirant
Sep 19, 2025

Orbi RBR350 + 2 satellites internet speed question

Hi!
I use a RBR350 Orbi connected to 2 RBS350 satellites in my house with 2 floors. There is a big concrete wall in the middle of the house.

So basically, the router and the RBR350 are downstairs, on one side of the wall. Internet speed is around 500Mb/s there.
Me and my partner are working on the 2nd floor, on two separate rooms. The best configuration I found is the following:

First satellite is on my desk, on the same side of the wall as the router and Orbi, but 2 floors above. I get around 180 Mb/s with my Macbook Pro M1 Max with an ethernet cable. A little less in WiFi.
Second satellite is on my partner's desk, on the same floor but on the other side of the wall, so I use the first satellite as a bridge to the second one. On her cheaper Asus laptop, she gets around 90 Mbs/s with ethernet.

My question is: will I be able to gain some speed at the second floor with another Orbi system? I can't have ethernet cables directly from the router ATM.

Thanks in advance.
Cheers!

Max

4 Replies

  • Humpf, just did a speed test in my room and it went up to 300Mb/s. So the signal oscillates between 180 and 300Mb/s. Not sure why so much difference.

  • StephenB's avatar
    StephenB
    Guru - Experienced User
    maxpuissant wrote:

    just did a speed test in my room and it went up to 300Mb/s. So the signal oscillates between 180 and 300Mb/s

    Speeds also depend on other factors.  You and your neighbors share the same internet "pipe", and sometimes the speedtest servers are overloaded.  Some appliances generate interference - microwave ovens being one example.  Hard to say at this point whether this variation is due to the Orbi backhaul (though it is possible).

     

    maxpuissant wrote:

    On her cheaper Asus laptop, she gets around 90 Mbs/s with ethernet.

    Can you test using your laptop in her room?  That will ensure we can compare the results.

     

    It would also be useful to take a speed measurement there with her satellite turned off.

     

    Is there anything on the path between your two rooms that that might be blocking the signal?   For instance, a pipe chase or a chimney?  Or perhaps a bathroom?

     

    maxpuissant wrote:

    There is a big concrete wall in the middle of the house.

    Does that wall extend to all the floors?  Are there rooms on both sides that wall on all floors?

     

    Are you getting good speeds throughout the first floor? 

  • FURRYe38's avatar
    FURRYe38
    Guru - Experienced User

    Something to check into as well, maybe a powerline adapter between the RBR and the far side of the wall to get a RBS ethernet connected to the RBR. 

    Concrete and steel will cause problems for any wifi mesh system. 

    • StephenB's avatar
      StephenB
      Guru - Experienced User
      FURRYe38 wrote:

      Something to check into as well, maybe a powerline adapter between the RBR and the far side of the wall to get a RBS ethernet connected to the RBR. 

      Or maybe just run an ethernet cable between the two satellites.  Though that depends on whether the goal is to improve the performance in the partner's room, or whether it is just to get the best overall speeds possible.

       

      Powerline could be part of the solution, though I've found its performance to be hit-or-miss in my home (depending on the specific circuits I am using for it).  If there is an accessible pipe chase or shaft, then shifting to a wired backhaul might be possible.  maxpuissant​ - if you do that, you do need to make sure you have the proper grade of cable.  This is about fire safety, not just electrical performance.  In my location, that would be "riser" cat 6a cable (which has different insulation than normal cat 6a cable).  

       

      FURRYe38 wrote:

      Concrete and steel will cause problems for any wifi mesh system.

      Yeah, especially if the concrete has rebar in it (as it almost always does).