Turning 2.4GHz off/ Turning ONLY 5GHz On?

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  1.    3 Weeks Ago #1

    Turning 2.4GHz off/ Turning ONLY 5GHz On?


    I don't want to "puck" anything up but I want to make sure that my combo router/ modem only uses the 5GHz (faster) band. I don't have any legacy items (I think) that only works with 2.4GHz so I want to see what happens if I force the 5GHz band to be the only one. I think I know that the 5GHz band does not have the range that the 2.4GHz has but that should not be an issue. Bottom line router/ modem works flawlessly. I do use a wired Ethernet connection and I do not believe that switching over to only 5GHz would affect that, right?

    So is it simply a matter of unticking the two boxes associated with the 2.4GHz and leaving the 5GHz band as is? TIA.


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  2. Posts : 1,044
    Windows 10
       3 Weeks Ago #2

    You don't have to force anything with my Router/WAP (Netgear) you simply go to the Setup pages > Advanced Setup > Wireless Settings and untick the box for enable the 2.4 GHz Wireless Router Radio.

    Looks like the same brand, you have to go to Advanced wireless settings, seems you are in the initial setup wireless page.
    Attachment 221622
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  3.    3 Weeks Ago #3

    Helmut said: View Post
    You don't have to force anything with my Router/WAP (Netgear) you simply go to the Setup pages > Advanced Setup > Wireless Settings and untick the box for enable the 2.4 GHz Wireless Router Radio.

    Looks like the same brand, you have to go to Advanced wireless settings, seems you are in the initial setup wireless page.
    Attachment 221622

    Thanks for replying. Mine looks a little different : ) I have a Netgear Ac1900 C6300BD combo/router. First off if you look at the bottom right I have actually turned OFF Wi-Fi in Settings. Is that why enable wireless isolation for both the 2.4 and the 5.0 band are both unticked? And is "enable wireless isolation" the same thing as in your pic as "enable wireless router radio."?So if I wanted to enable only the 5.0 band I probably should go back into settings and enable wifi and then come back to this advanced wireless settings page and what since for the 2.4 band enable wireless isolation is already unticked I should then also untick enable ssid broadcast and then directly below that I SHOULD tick enable wireless isolation for the 5.0 band as well as tick ssid broadcast for the 5.0 band? Thanks.


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  4. dmholt57's Avatar
    Posts : 3,356
    17763.316 Pro 17763.316 Home
       3 Weeks Ago #4

    Wireless Isolation, sometimes called client isolation, is a setting on a wireless router. When this setting is enabled it prevents a computer that is connected to the network by a wireless connection from accessing computers and resources that are connected to the network by a wired connection.
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  5.    3 Weeks Ago #5

    dmholt57 said: View Post
    Wireless Isolation, sometimes called client isolation, is a setting on a wireless router. When this setting is enabled it prevents a computer that is connected to the network by a wireless connection from accessing computers and resources that are connected to the network by a wired connection.

    OK. Thanks. So, please correct me if I am not understanding you. First off I am not on a network other then my own wired Ehternet connection. Nothing else is connected to the router/ modem. Not even the smart television. So are you also saying that picture of my router/modem and the ticking and unticking of boxes has nothing to do with turning on of off the 2.4GHz band and the 5GHz band? or were you just clarifying terminology.
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  6. dmholt57's Avatar
    Posts : 3,356
    17763.316 Pro 17763.316 Home
       3 Weeks Ago #6

    Turning off the 2.4 band in the router and the adapter and set adapter to the 5g 40 only setting is how I am configured. If you tick the box for isolation, you will not be able to reach the pc that is wired to the router.
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  7. bro67's Avatar
    Posts : 5,816
    Mac OS High Sierra 10.14.3 Beta (18D21c)
       3 Weeks Ago #7

    The only problem with disabling the 2.4 band, is that if you are having issues with 5ghz reception, the device goes offline. 2.4ghz travels farther and has better CRC, when it comes to distance and when a device goes into power saving mode and turns off the 5ghz radio, or decreases the power of the radio to conserve battery power. Both bands should have the same SSID, so that devices can be able to seamlessly roam between, along with 5ghz needs the 2.4ghz band in order to work with Wireless-AC, if the Gateway is capable.
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  8. Posts : 23,852
    windows 10 professional version 1607 build 14393.969 64 bit
       3 Weeks Ago #8

    If you use a printer that is wireless for multiple computers then it may impact the frequency used to connect the computers to the router.
    Many printers only work on 2.4 GHz.
    When using only 5 GHz it seems to work until the printer is turned on.
    Then you may need to use the computer via 2.4 instead of 5 GHz.
    Using a USB cable allows you to use the faster wireless frequency for the internet.
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  9.    3 Weeks Ago #9

    Interesting and informative. I do not have the isolate setting but I do have broadcast SSID. If I choose to turn of broadcast(Isolate?) I am messaged my wireless devices wont be able to access ISP streaming Do these settings affect the SMART TV showing up in the network windows(on the Laptop,not the router) My 1TV has about 6 icons !!!
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  10. bro67's Avatar
    Posts : 5,816
    Mac OS High Sierra 10.14.3 Beta (18D21c)
       3 Weeks Ago #10

    Yes they can affect those devices that do not have enough memory space for the creators of the firmware on that device like a Smart TV, to associate a certain radio signal with a beacon, when the ESS Frame (SSID) is not sent with the beacon to associate that beacon with a certain SSID. It is like tuning a radio or tv to some random channel, but there is nothing to tell you what channel it is or what program is playing on the guide, same as showing different programs that do not normally show up on that radio station or tv. Makes for a headache.
    Last edited by bro67; 3 Weeks Ago at 21:52.
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