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Dugby's avatar
Dugby
Aspirant
Jul 17, 2025
Solved

160MHz setting for AX in RAX120v2

Hello, seeking advice - please.

 

I have a newly acquired RAX120v2 with 1.2.10.56 firmware and chose not to use "Smart Connect WiFi" and therefore have configured separate SSIDs for 2.4 / 5 GHz .

 

Have read that with 5GHz & WiFi 6 that 160MHz can be selected (becoming 4x4:4).

 

I use Firefox (v140.0.4) web browser and cannot see within the router menus the options to set 160MHz.

 

Have I misunderstood that this is a user customizable option/setting ?

 

 

 

 

 

I am experienced with my many NG routers XR500/XR700/R7800 and  RS600 coming next week.

  • The "up to 4800mbps" is what sets the channel width. 

    4800mbps=160hz

    2400mbps=80hz

    With that model because its a 4x4 device. 

    Keep in mind, if you're in an area with radar, dfs can cause drops occasionally (160hz requires dfs channels)

6 Replies

  • FURRYe38's avatar
    FURRYe38
    Guru - Experienced User

    I believe if you set the max speed rate on the 5Ghz network, this sets the 160Mhz option automatically. 

    Also check down under Advanced Tab/Advanced settings/Wireless settings for any additional options there. I believe MIMO and Beamforming should be enabled as well. 

  • plemans's avatar
    plemans
    Guru - Experienced User

    The "up to 4800mbps" is what sets the channel width. 

    4800mbps=160hz

    2400mbps=80hz

    With that model because its a 4x4 device. 

    Keep in mind, if you're in an area with radar, dfs can cause drops occasionally (160hz requires dfs channels)

  • When I configured the 5GHz WiFi settings, I did infact choose the Max (default) which was 4803 Mbps.  

     

    The "Advanced Tab/Advanced settings/Wireless settings" had additional settings, but no explanations about 80/160MHz selections.

     

    The documentation in the webpage and also the PDF manual is insufficient in fully explaining the settings, whilst the marketing docs make it a big feature.

     

     

    Many thanks for both responses, very appreciated.

     

    Best regards from Australia.

    • FURRYe38's avatar
      FURRYe38
      Guru - Experienced User

      I haven't seen any router mfr explain or give users good information about the 80/160Mhz support options when they support them on there routers. Seems to be in the UI or mostly hidden and automatic now days. 

       

  • Thankyou for the extra details. I had a career in global enterprise networking, and found the NG documentation to be insufficient.