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Netgear 1000 Powerline Adapter Limited to 100 Mbps

alexyuc Posted messages 117 Registration date   Status Member Last intervention   -  
brupala Posted messages 111146 Registration date   Status Member Last intervention   -
Hello,

I am trying to understand the origin of a problem that I am not the only one to have evidently, but it is more about the source of the issue after a few tests that I am questioning.

I have a DTI box with an RJ45 socket close to my fiber box, as well as an RJ45 socket going to my TV. Unfortunately, these two sockets are poorly connected (I am a renter, I will discuss this with my landlord later...). So in the meantime, I opted for powerline adapters to connect several devices, and I bought two NETGEAR powerline adapters 1000 with a theoretical speed of up to 1000 Mbps.

However, when I test the connection on speedtest by connecting the ethernet cable from my Mac directly to the powerline adapter, I get a speed of 90 Mbps. Using the same cable, but connecting directly to the box, I get a speed of 975 Mbps. I have tested all the cables, etc...

It turns out that it is indeed the powerline technology between the two adapters that limits my speed to 90/95 Mbps.

Could anyone tell me why? Is it due to the electrical network not being able to transmit at 1000 Mbps? Is it because the powerline adapters are not good? I do not know where the problem lies.

Of course, in the meantime, I have a very good WiFi connection, no worries there, but I would just like to stop racking my brains trying to understand why it doesn't work :)

Thanks for your help!!

Alex

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3 answers

  1.
    jee pee Posted messages 31886 Registration date   Status Moderator Last intervention   9 981
     
    Hello,

    It's just that powerline adapters are not a good solution with fiber. Powerline on the electrical network can be disrupted first by the electrical installation itself and then by all the devices connected to that electrical network.

    Best regards
    --
            a stranger is a friend we haven't met yet.
    1
  2. alexyuc Posted messages 117 Registration date   Status Member Last intervention   32
     
    Hello jee pee
    Thank you for your response. However, brands like devolo are known for their powerline adapters with speeds up to 1200 Mbps or even 2400 Mbps for some of their products.
    Even though I understand that it's a less reliable solution than an Ethernet cable, it's surprising that the speeds are divided by 10... considering they are designed to provide good speeds.
    My electrical network was not very loaded (no household appliances except for the fridge and no other devices except for the box were plugged in during the tests).
    Thank you again for your help.
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    1. jee pee Posted messages 31886 Registration date   Status Moderator Last intervention   9 981
       
      To see: https://www.lesnumeriques.com/adaptateur-cpl/tp-link-tl-pa9025p-p35435/test.html

      "We thus measured an average of 248 Mb/s with a peak of 380 Mb/s and a minimum of 209 Mb/s." For 2000 mbps powerline adapters and we can assume that the electrical installation on which it is tested is optimal, even minimalist as possible. So nothing guarantees that at your place, on an ordinary electrical network, if you get the same ones you will have this speed.

      I even found on another site, which in its comparison did not give the actual measured speeds but just a ranking relative to others ;-)))
      Indeed, it is essential that a powerline adapter has a speed at least equal to that of competing products in the same price range.
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      1. brupala Posted messages 111146 Registration date   Status Member Last intervention   14 449 > jee pee Posted messages 31886 Registration date   Status Moderator Last intervention  
         
        Hi,
        Argh,
        I quite like the conclusion (a bit too nice I think, but they're not paid to tear it down, quite the opposite):
        It's a good product for fiber connection owners or those who want to transfer a lot of data over their network.
        Not too demanding after all, the owners, and not too curious about other solutions.
        As for a lot of data, no, that's not a lot.
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  3. brupala Posted messages 111146 Registration date   Status Member Last intervention   14 449
     
    Hello,
    indeed,
    you can stop overthinking, it's just .... normal.
    Powerline adapters have no future with fiber.

    --
    and ... Here you go!
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