Hi Janusz,
On 9.01.2024 19:14, Janusz Dziedzic wrote:
wt., 9 sty 2024 o 18:59 Daniel Golle <dan...@makrotopia.org> napisał(a):
On Tue, Jan 09, 2024 at 06:49:04PM +0100, Janusz Dziedzic wrote:
> wt., 9 sty 2024 o 18:02 Robert Marko <robima...@gmail.com> napisał(a):
> >
> > On Tue, 9 Jan 2024 at 17:53, Rafał Miłecki <zaj...@gmail.com> wrote:
> > >
> > > On 9.01.2024 13:29, John Crispin wrote:
> > > > On 09.01.24 12:56, Robert Marko wrote:
> > > >> ---SNIP---
> > > >>
> > > >>> Why not 6GHz?
> > > >> 6GHz requires an external card, and I doubt you can fit that in the
> > > >> target price.
> > > >>
> > > >> Regards,
> > > >> Robert
> > > >
> > > > correct. as mentioned in the email, we wanted to start out small. also
upstream mac80211 is still missing a bunch of 11be related features.
> > >
> > > 6 GHz doesn't imply 802.11be, does it? I'm really not sure.
> > >
> > > Does MediaTek have any 802.11ax solutions that cover both: 5 GHz and
> > > 6 GHz? Maybe it'd be worth checking if that's an option and then use
> > > voting to see if people care?
> >
> > You can use 6GHz as part of 802.11ax as well, but you need an external card
or
> > you need to sacrifice the built-in 5GHz for 6GHz and that isn't really
> > a good idea
> > in my opinion.
> >
> Even will be 150$ it is still good price for router with 2.4/5/6GHz
> (MTK base ACER predator W6 is about 200$).
> Or at least add extra m2 AE Key slot - then we can put there mt7916
> card, as possible extension (eg.
> https://asiarf.com/product/wi-fi-6e-m-2-ae-key-module-mt7916-aw7916-aed/).
> What will be price in case of this extra m2 AE Key slot?
You can use M.2 key adapters for that
https://www.delock.com/produkt/63343/merkmale.html
An additional slot is *not* an option as we got only a single PCIe lane.
Hopefully there are also going to be single-band (6 GHz only) 4T4R or
even 4T5R modules based on MT7916E available at some point...
Seems bpi-r4 will use two miniPCIe slots for that:
https://wiki.banana-pi.org/Getting_Started_with_BPI-R4#4.29_Wi-Fi7_NIC
If we don't have two PCIe then probably no option for 6ghz
I believe this is a preliminary approach, same as it was done with
MT7621 + MT7915 (oversized modules). As this is not compliant with the
standard and thus limiting platforms these modules will work with, I
believe the target will be embedded design only or maybe some oversized
M.2. Either way, this is a custom design.
I'm pretty sure that when MediaTek designs solutions for AP platforms
they consider only the "everything on-board" approach, even if the
BB/MAC part utilizes PCIe bus. Usually, chipsets dedicated for module
(mini PCIe or the M.2 these days) design are not part of the "AP"
product line and are focused on "STA" operation.
Anyway, some compromises had to be made.
--
Cheers,
Piotr
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