1.    18 Jun 2016 #1
    Join Date : Sep 2014
    Posts : 385
    Windows 10 PRO 64Bit

    1.3Gbps Wi-Fi connection but slow transfers


    I have a 802.11ac modem and my computer gets a solid 1.3Gbps Wi-Fi connection. However when I transfer a test file the speed shows at 110 Mbps. When I connect an Ethernet cable I have a 1.0Gbps connection and when I transfer the same test file the speed shows 985 Mbps which is faster by almost a factor of 10.

    Anyone have any idea why the Wi-Fi transfer is so slow? I am starting to think the modem I have has a processor that can't keep up the speed due to the Wi-Fi encryption.

    Ak
      My ComputerSystem Spec
  2.    18 Jun 2016 #2
    Join Date : Jan 2015
    Posts : 242
    Windows 10 Pro 1709 x64

    Try changing channels. My 866 Mbps link speed gets 400 - 450 Mbps actual throughput.
      My ComputerSystem Spec
  3.    18 Jun 2016 #3
    Join Date : Sep 2014
    Posts : 385
    Windows 10 PRO 64Bit
    Thread Starter

    Quote Originally Posted by theveterans View Post
    Try changing channels. My 866 Mbps link speed gets 400 - 450 Mbps actual throughput.
    I tried that but my throughput is still in the 200-300 Mbps range. I think it is my DLink modem, it is already a discontinued product. I wonder why.
      My ComputerSystem Spec
  4.    19 Jun 2016 #4
    Join Date : May 2015
    Central IL
    Posts : 4,020
    Mac OS Sierra

    The first question that should have been asked. What are you paying for from your ISP and who is your ISP.

    Just because your LAN speeds are that fast. Does not mean that you are going to see WAN to LAN speeds that fast.
      My ComputerSystem Spec
  5.    20 Jun 2016 #5
    Join Date : Sep 2014
    Posts : 385
    Windows 10 PRO 64Bit
    Thread Starter

    My ISP has nothing to do with my ISP or WAN, I am transferring files from one computer to another. I am trying to figure out why a 1.3Gbps Wi-Fi connection has throughput of only 200-300 Mbps and it is not interference. I think the old discontinued 802.11AC router I have is just not able to keep up. I can't test that unless I get a new router.
      My ComputerSystem Spec
  6.    20 Jun 2016 #6
    Join Date : May 2015
    Central IL
    Posts : 4,020
    Mac OS Sierra

    When you are using Wireless AC, you are using multiple channla on the radio, which is your Access Point.

    The ratings that the manufacturs go by is that they show what is called Burst rate. They are also supposed to show Sustained rate.

    The reason that you get speeds at different rates, is how big or small that the data packet it, along wth Compression rate. You also have to factor in what your ISP is allowing you to have for your connection, is why we ask someone what the speeds are that they are paying for, who is their ISP, etc.

    Just because your Gateway is no longer carried by D-Link does not mean anything. They can carry it with a new revision, which could include a better chipset, better NRAM, better heatsinks to help it to stay cooler, better channeling of data across the LAN on both hard wired and WiFi connections. Then there is the fact that they may have improved the LAN to WAN speed side, since that is a major factor.

    You will never see Lab type readings in a home environment, because there is just way too much radio interference. In a lab they can control that with a Faraday cage, test equipment that is made to give them the results that the engineers wrote the spec's up on how it should work.
      My ComputerSystem Spec
  7.    20 Jun 2016 #7
    Join Date : Sep 2014
    Posts : 385
    Windows 10 PRO 64Bit
    Thread Starter

    Thanks for the information. Guess I will roll out a long Ethernet cable when I want to do a backup or just move big files.
      My ComputerSystem Spec
  8.    20 Jun 2016 #8
    Join Date : May 2015
    Central IL
    Posts : 4,020
    Mac OS Sierra

    You can get better antennas for the card in your desktop. As for the router, you could set up a secondary Access Point to help with coverage, if it is a problem with being outside the sweet spot.
      My ComputerSystem Spec

 


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