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RT-AX88U Wi-Fi 6 doesn't work for 5G

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him7403

Occasional Visitor
I have the RT-AX88U and Wi-Fi 6 enabled.
My Pixel 8 Pro devices connect to Wi-Fi 6 only for 2.4g but they connect as WiFi 5 (ac) on the 5g network. I have smart connect disabled and have 2 different 2.4g and 5g network.

1701302190825.png

Here is my Pixel 8 Pro connected as WiFi5 (ac)
On 2.4G, it connects as Wifi6 (ax)

Screenshot_20231129-162116.png
 
Last edited:
I have the ax-88u and Wi-Fi 6 enabled.
My devices connect to Wi-Fi 6 only for 2.4g but they connect as WiFi 5 (ac) on the 5g network. I have smart connect disabled and have 2 different 2.4g and 5g network.
Firmware version? And enable the Dual Band SmartConnect. In fact, set the WIFI to defaults and try again..
 
Which devices do you
I have the ax-88u and Wi-Fi 6 enabled.
My devices connect to Wi-Fi 6 only for 2.4g but they connect as WiFi 5 (ac) on the 5g network. I have smart connect disabled and have 2 different 2.4g and 5g network.
Which devices have you got that are compatible with wifi6 on the 5GHz band?
 
AX-88U is not even a valid router model.

Based on the limited information provided - no one can help you.
 
On your router what is System Log, Wireless Log saying about the connection and link rates?

Any other AX clients on your network showing the same 5GHz connection issue or just this mobile phone?
 
Probably a UI bug - I've seen this in Android across multiple vendors...
I don't think it's UI bug, from the wireless log and it shows 802.11ac on 5G but when I connect to 2.4G then it shows 802.11ax.
 
Last edited:
On your router what is System Log, Wireless Log saying about the connection and link rates?

Any other AX clients on your network showing the same 5GHz connection issue or just this mobile phone?
On the wireless log, it shows as ac on 5g and ax on 2.4g for all AX clients (Pixel 8 Phones).
Code:
SSID: "himhim2"
noise: -91 dBm    Channel: 2
BSSID: 3C:7C:3F:DC:27:88    Capability: ESS ShortSlot RRM
Supported Rates: [ 1(b) 2(b) 5.5(b) 6 9 11(b) 12 18 24 36 48 54 ]
HE Capable:
    Chanspec: 2.4GHz channel 2 20MHz (0x1002)
    Primary channel: 2
    HT Capabilities: 40Mhz SGI20 SGI40
    Supported HT MCS : 0-31
    Supported VHT MCS:
        NSS1 Tx: 0-11        Rx: 0-11 
        NSS2 Tx: 0-11        Rx: 0-11 
        NSS3 Tx: 0-11        Rx: 0-11 
        NSS4 Tx: 0-11        Rx: 0-11 
    Supported HE MCS:
        80 Mhz:
        NSS1 Tx: 0-11        Rx: 0-11
        NSS2 Tx: 0-11        Rx: 0-11
        NSS3 Tx: 0-11        Rx: 0-11
        NSS4 Tx: 0-11        Rx: 0-11

Interference Level: Acceptable
Mode    : AP Only

Stations List                       
----------------------------------------
idx MAC               Associated Authorized   RSSI PHY PSM SGI STBC MUBF NSS   BW Tx rate Rx rate Connect Time
    46:D5:E4:00:EA:57 Yes        Yes        -57dBm ax  Yes Yes No   No     2  20M  216.7M      1M     00:00:09
    3C:31:48:6D:00:EF Yes        Yes        -61dBm n   Yes Yes Yes  No     1  20M     65M      6M     01:02:56

SSID: "himhim2_5G"
noise: -88 dBm    Channel: 153/80
BSSID: 3C:7C:3F:DC:27:8C    Capability: ESS RRM
Supported Rates: [ 6(b) 9 12 18 24(b) 36 48 54 ]
HE Capable:
    Chanspec: 5GHz channel 155 80MHz (0xe19b)
    Primary channel: 153
    HT Capabilities: 40Mhz SGI20 SGI40
    Supported HT MCS : 0-31
    Supported VHT MCS:
        NSS1 Tx: 0-11        Rx: 0-11 
        NSS2 Tx: 0-11        Rx: 0-11 
        NSS3 Tx: 0-11        Rx: 0-11 
        NSS4 Tx: 0-11        Rx: 0-11 
    Supported HE MCS:
        80 Mhz:
        NSS1 Tx: 0-11        Rx: 0-11
        NSS2 Tx: 0-11        Rx: 0-11
        NSS3 Tx: 0-11        Rx: 0-11
        NSS4 Tx: 0-11        Rx: 0-11
        160 Mhz:
        NSS1 Tx: 0-11        Rx: 0-11
        NSS2 Tx: 0-11        Rx: 0-11
        NSS3 Tx: 0-11        Rx: 0-11
        NSS4 Tx: 0-11        Rx: 0-11

Interference Level: Acceptable
Mode    : AP Only

DFS status: state IDLE time elapsed 0ms radar channel cleared by DFS none

Channel Information                 
----------------------------------------
Channel 36    A Band
Channel 40    A Band
Channel 44    A Band
Channel 48    A Band
Channel 52    A Band, RADAR Sensitive, Passive
Channel 56    A Band, RADAR Sensitive, Passive
Channel 60    A Band, RADAR Sensitive, Passive
Channel 64    A Band, RADAR Sensitive, Passive
Channel 100    A Band, RADAR Sensitive, Passive
Channel 104    A Band, RADAR Sensitive, Passive
Channel 108    A Band, RADAR Sensitive, Passive
Channel 112    A Band, RADAR Sensitive, Passive
Channel 116    A Band, RADAR Sensitive, Passive
Channel 132    A Band, RADAR Sensitive, Passive
Channel 136    A Band, RADAR Sensitive, Passive
Channel 140    A Band, RADAR Sensitive, Passive
Channel 144    A Band, RADAR Sensitive, Passive
Channel 149    A Band
Channel 153    A Band
Channel 157    A Band
Channel 161    A Band
Channel 165    A Band

Stations List                       
----------------------------------------
idx MAC               Associated Authorized   RSSI PHY PSM SGI STBC MUBF NSS   BW Tx rate Rx rate Connect Time
   9A:FB:25:71D:00:0A Yes        Yes        -75dBm ac  Yes Yes Yes  Yes    1  80M  292.5M      6M     00:55:33
   20:DF:B9:0D9:00:43 Yes        Yes        -52dBm ac  No  Yes No   No     1  80M    390M  433.3M     15:28:27
   EC:93:7D9:EE:00:AC Yes        Yes        -23dBm ac  Yes Yes No   Yes    2  80M  866.7M      6M     16:46:48
   CE:6E::59:A4:03:00 Yes        Yes        -69dBm ac  No  Yes No   Yes    2  80M    650M    520M     16:54:52
 
Client issue perhaps? I don't remember seeing any complaints about non-working AX on RT-AX88U. It's a popular router around. Try channel 36 at 80MHz fixed, something standard all devices have to understand. Did you make any changes to Wireless Professional page?
 
Client issue perhaps? I don't remember seeing any complaints about non-working AX on RT-AX88U. It's a popular router around. Try channel 36 at 80MHz fixed, something standard all devices have to understand. Did you make any changes to Wireless Professional page?
Looks like client issue 🤦.
Ps5 connected as WiFi 6.
 
@him7403, did you happen to import an old backup config file to set up the RT-AX88U?

Are you using old SSIDs?
 
On a phone you'll see no difference in real use between AC and AX anyway.
I have 1gbps Internet though. Near the router I get near to that speed. With WiFi 6 i would probably get better speed on a different floor.

Btw, I just tested my phone connecting to my gym network. And it shows Wi-Fi 6. So it's the home router settings that's preventing me to get WiFi 6 one the phone.
 

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