[closed] Re: questions with WLE900VX 7AA

[Matthias May]

On 03/02/2021 08:37, Boris wrote:
> Am 03.02.21 um 08:27 schrieb Matthias May:
>> On 02/02/2021 19:50, Boris wrote:
>>> Am 02.02.21 um 17:04 schrieb Ben Greear:
>>>> On 2/2/21 8:02 AM, Boris wrote:
>>>>> Am 02.02.21 um 16:25 schrieb Ben Greear:
>>>>>> On 2/2/21 7:20 AM, Boris wrote:
>>>>>>> Am 02.02.21 um 15:50 schrieb Ben Greear:
>>>>>>>> On 2/2/21 6:26 AM, Boris wrote:
>>>>>>>>> Hej hostapd-list,
>>>>>>>>> hej Jouni,
>>>>>>>>>
>>>>>>>>> first let me thank you all for your nonprofit work! Great soaftware that many use since long time with great
>>>>>>>>> self-evidence. Thanks so much!!
>>>>>>>>>
>>>>>>>>> This message contains a help request following:
>>>>>>>>>
>>>>>>>>> For the use as a router-box, I run LEAF
>>>>>>>>> (https://urldefense.com/v3/__http://leaf.zetam.org/bering-uclibc/__;!!I9LPvj3b!VUEvr93lqRO_aDPSnAcXVeGvtLxx5S_cW6gUiHWguMQy8HR3t0b60hiYke4pfVj5Vts$
>>>>>>>>>
>>>>>>>>> ), a dedicated small linux on a APU board
>>>>>>>>> (https://urldefense.com/v3/__http://www.apu-board.de__;!!I9LPvj3b!VUEvr93lqRO_aDPSnAcXVeGvtLxx5S_cW6gUiHWguMQy8HR3t0b60hiYke4p5s9zfMw$
>>>>>>>>>
>>>>>>>>> ) equipped with a WLAN adapter Compex WLE900VX 7AA.
>>>>>>>>
>>>>>>>> That radio is dual band, but not dual concurrent, so it can be on only a single channel at a time.
>>>>>>>>
>>>>>>>> It should work fine in apu2, we use it in the same chassis often.
>>>>>>>>
>>>>>>>
>>>>>>> Hej Ben,
>>>>>>>
>>>>>>> thank you for your statement!
>>>>>>>
>>>>>>> Yes, it works fine - in either the one or the other mode.
>>>>>>>
>>>>>>> OK. So after all, I seem to have chosen not the right hardware for my plan.
>>>>>>> Is there a suggestion what PCI-E adapter to use that supports 2,4 GHz and 5 GHz radio at the same time (perhaps
>>>>>>> even Wifi 6) ??
>>>>>>
>>>>>> None that I know about.  Just put two wle900vx in your APU2 and then you can run two bands concurrently.
>>>>>>
>>>>>> There are no commercially available pcie 6E nics available that can do AP mode as far as I know.
>>>>>>
>>>>>> The Intel ax210 can do 6E station mode with 5.11+ kernels.
>>>>>
>>>>> Thank you again! I also had the idea with two adapters but the APU-manual describes the two other slots (J13 and J14)
>>>>> explicitely as _not_ suitable for wifi adapters (if I understand correst):
>>>>>
>>>>> J13 mSATA miniPCI express
>>>>> / This slot can be used for mSATA SSD, or 3G/LTE modem (USB based).
>>>>> No PCI express = no wifi. Connects to SIM J2.
>>>>>
>>>>> J14 miniPCI express
>>>>> / This slot can be used for 3G/LTE modems (USB based). No PCI express
>>>>> = no wifi. Connects to SIM J1.
>>>>>
>>>>> J15 miniPCI express
>>>>> / This slot includes PCI express, and is intended for wifi modules. No SIM connected.
>>>>>
>>>>> Did you try with two adapters although?
>>>>
>>>> We use the apu2 board that has 2 mini-pcie slots plus an msata.  Your model may only support
>>>> a single pcie nic.
>>>>
>>>
>>> OK. I'll see...
>>>
>>> Thanks, over and out!
>>>
>>> Boris
>>>
>>>
>>> _______________________________________________
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>>>
>>>
>>
>>
>> PCengines itself has a list of all models here:
>> https://urldefense.com/v3/__https://pcengines.ch/apu2.htm__;!!I9LPvj3b!Um3_4cXZIfkuoATHpy32axk3LmqcGsOqIDPQjjuf-FccchE1S82A43-YKqU2A2cYvOw$
>>
>> APU2: J12 mSATA,                   J13 full miniPCIe (with SIM), J14 full miniPCIe (no SIM)
>> APU3: J14 USB or mSATA,            J15 USB only (with SIM),      J16 full miniPCIe (no SIM)
>> APU4: J13 USB or mSATA (with SIM), J14 USB only (with SIM),      J15 full miniPCIe (no SIM)
>>
>> Unless you are using USB connected devices you probably want to go with the APU2.
>>
> 
> Thanks Matthias,
> 
> I am using a APU4 and I think I'll ask Pascal Dornier (Mr. PC-Engines) what it's about: PCI-Express slot without PCI
> express???
> 
> Dank und Grüße,
> 
> 
> Boris
> 
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> 

This is quite standard practice.
The connector is the same but you can have different things on it:
mSATA, USB, PCIe, SIM.
Connecting only the USB and SIM is useful for LTE-modems that are almost always connected via USB.
This is the intention of the APU boards >2.
The documentation of the boards clearly states what you can connect on each slot.

M.2 goes even further, but denotes via the notching what type of lines are connected.
E.g SSDs are usually attached via M.2-M and LTE devices via M.2-B.
But even then not all lines have to be connected.
You may encounter an M.2-B with only USB and SIM.

BR
Matthias