1.    15 Sep 2017 #1
    Join Date : Mar 2017
    Posts : 5
    Windows 10 32 bit

    WiFi 802.11 overhead

    A point of curiosity about Wifi 802.11 ac overhead. I have a wired Ethernet Internet link which tests at around 500 megs download. Using a Wifi 802.11 connection, the download speed tests around 285 megs download. Am I correct in assuming the difference in download speeds is typical of WiFi overhead?
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  2.    15 Sep 2017 #2
    Join Date : Jul 2016
    Crewe Cheshire
    Posts : 1,466
    windows 10

    Dont get that you have an ac router but downloading at n. Ac is up to 3 gig speed n is 300 meg max
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  3.    15 Sep 2017 #3
    Join Date : Nov 2016
    Posts : 439
    Windows 10

    There is no 'typical' ac Wireless overhead. Hardware varies as to the number of channels used and some other factors.

    You also have to consider the hardware each end of the wireless link, it will run at the slowest of the two bits of hardware. There are also more errors in using Wireless than wired so data has to be resent.
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  4.    15 Sep 2017 #4
    Join Date : Jan 2015
    Los Angeles
    Posts : 260
    Windows 10 Pro 1709 x64

    Too many variables as Helmut noted. But the best one I got was 550/867 Mbps throughput
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  5.    16 Sep 2017 #5
    Join Date : Oct 2014
    Posts : 761
    Windows 7

    There are all kinds of things that can limit the speed of a WIFi connection. Many of these things cause errors which force the data to be resent. A chain is only as strong as the weakest link. Speed will be limited to the capabilities of the slowest link in the signal path. Nominal speed is obtainable only with quality equipment under ideal conditions which are typically not present.
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