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ahumanperson's avatar
ahumanperson
Reel Rookie
4 years ago
Solved

roku express 4k no 5ghz connection

The new Roku express 4K is advertised as dual band yet doesn't see any 5ghz connections.   How can I get it to join my 5ghz network?
tv & player wifi
  • ahumanperson's avatar
    ahumanperson
    4 years ago

    Found in another's post

    "5gz network band..... Radio Enabled/On, set channel 36-48 or 149-161, not Auto or any channel 52thru140, Protocols/Mode set toN /AC, Bandwidth 20mhz or 40mhz(preferred) or 20/40."

    So essentially a consumer product sold in the UK which doesn't even work on most of the legal 5ghz channels!

    These really shouldn't be advertised as dual band when most of the 5ghz channels they support are Band C.

ahumanperson's avatar
ahumanperson
Reel Rookie
4 years ago

Thankyou for your reply.

I have seperate SSIDs for 2.4/5Ghz from the same AP

The Roku can see the 2.4ghz but not the 5Ghz networks, the access point is 3M from the device.

MilesT's avatar
MilesT
Roku Guru
4 years ago

Another recent post here had the complete checklist for 5ghz setup, not all channels/bandwidth are supported.

  • ahumanperson's avatar
    ahumanperson
    Reel Rookie
    4 years ago

    Found in another's post

    "5gz network band..... Radio Enabled/On, set channel 36-48 or 149-161, not Auto or any channel 52thru140, Protocols/Mode set toN /AC, Bandwidth 20mhz or 40mhz(preferred) or 20/40."

    So essentially a consumer product sold in the UK which doesn't even work on most of the legal 5ghz channels!

    These really shouldn't be advertised as dual band when most of the 5ghz channels they support are Band C.

    • MilesT's avatar
      MilesT
      Roku Guru
      4 years ago

      Sadly typical of many cheap globalized devices claiming 5ghz support.

      • Panos's avatar
        Panos
        Binge Watcher
        4 years ago

        Had the same problem on my Roku express 4k. Would not find my 5Ghz network.

        After Roku system reboot it was able to identify the 5G network and now works fluently.

        Good luck.

    • Boonediggity's avatar
      Boonediggity
      Reel Rookie
      4 years ago

      To further clarify its the Dynamic Frequency Selection (DFS) on the 5 Ghz spectrum that are causing the issues. Roku and a number of other devices that claim to be 802.11ac compliant still don't play nice with those. Just like ahumanperson said, DO NOT USE 5Ghz channels 52-140.

      I have a Ubiquiti Unifi network in my home and was experiencing all sorts of oddities that people are mentioning. As soon as I disabled the option to use those DFS channels and rebooted the AP's the network functioned like a dream. Instead of loading 30 devices on a distant AP (skipping over two closer AP's using DFS at the time) on the 2.4Ghz spectrum they all connect logically and to the closest one. They also prefer 5 Ghz now too.

      I would highly recommend everyone experiencing these issues with smart devices to not use these channels if at all possible. Cheers!

       

      • Juliancheh's avatar
        Juliancheh
        Reel Rookie
        3 years ago

        this worked for me!

    • lrhoward7's avatar
      lrhoward7
      Newbie
      4 years ago

      After upgrading my two Roku devices to OS 11 on yesterday, 5Ghz connections are not available. How can I resolve this problem.

      • atc98092's avatar
        atc98092
        Community Streaming Expert
        4 years ago

        lrhoward7 Please include your Roku model numbers. Also, have you checked your router/modem to ensure a) the 5 GHz channel is turned on and b) the channel being used is either below 49 or above 148. I ask those questions because most 5 GHz radios are set on Auto select channel, and sometimes they will change their channel used to one of the DFS channels, which are unsupported by Roku. Any channel between 49-148 will not appear on a Roku device. Also, modems/routers under control of the ISP (most cable modems are like this, unless you purchased your own), they might make changes without your knowledge, not intending to break anything, but that can be the result if something is changed that impacts your connected devices.