ath12k pcie radios with MLO support?

[Jeff Johnson]

On 11/11/2025 9:15 PM, Vasanthakumar Thiagarajan wrote:
> 
> 
> On 11/12/2025 7:10 AM, Ben Greear wrote:
>> On 11/11/25 17:29, Jeff Johnson wrote:
>>> On 11/11/2025 7:27 AM, Ben Greear wrote:
>>>> Hello,
>>>>
>>>> Are there any current radios + software available where one can put
>>>> ath12k radios in (mini)pcie slots or similar and use those in x86-64
>>>> chassis and provide tri-band MLO?
>>>>
>>>> Last I looked, Compex had some dual-band radios and maybe single-band
>>>> 6ghz, but I am not sure those can be combined into a tri-band MLO solution?
>>>
>>> Most of the Compex modules use the AP-centric QCN chipsets.
>>> For your use case look for something using the WCN chipset.
>>>
>>> Something like:
>>> https://www.sparklan.com/product/wnfq-291bei/
>>>
>>> (I haven't tried it and don't endorse it, just giving as an example)
>>
>> Hello Jeff,
>>
>> Thanks for the link.  That too is dual band though.  I'm interested in
>> using ath12k radios for wifi testing purposes, so I'd really like tri-band
>> MLO to have some feature parity with the MTK 7996 radio board.
>>
>> Is ath12k able to combine discrete wifi NICs into tri-band MLO stations?
> 
> Yes, ath12k supports tri-band MLO STA. This has been validated for QCN chipsets.
> Not sure if this has been tested for WCN chipsets.

+Baochen should be able to confirm, but my understanding is that WCN only
supports 2 active links at a time. So sorry for providing a link to a product
that doesn't meet your requirement to have all 3 bands operating
simultaneously -- I didn't read that requirement closely enough.

/jeff