Aeotec is a Z-Wave Plus stick does it matter if I use the one you show me?
Im not to much into Z-Wave background… haha
These are z-wave 500… AKA zwave Plus.
zwave 300 = standard zwave
zwave 500 = zwave plus
zwave 700 = upcoming series, not quite developed and supported yet.
Thank you so much for all the info…
I think I will spend 28 euro and remove all Z-Wave Devices, add them again… 1 more time headache but then no more problem with rebooting… and I can remove the hub between RPi4 and the stick 
Maybe a extension cord to put the stick far away from the RPi …
I just posted this in case people would be interested:
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1 Short question. The stick arrive Thursday :). out of the box i can use it as Z-wave Stick?
Plugin in … it will connect to /dev/ttyAxx and running in HA.
I was reading the website and see all kind of things of SDK, programming stick… etc… haha
Yes it will.
It will have a firmware version already loaded, most likely 6.81.x.
I can provide an upgrade procedure if needed. It is valid for all of these generic sticks.
You will see it show most likely as /dev/ttyACM0
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send you a PM
@Mutt, I think what Baldissera meant by ‘Lock’ was adding as a ‘secure’ node! 
and @jkajadfpjuq2 actually gave him the answer without even realizing it!
This one works for me flawlessly…I tried a handful of others first.
GoControl CECOMINOD016164 HUSBZB-1 USB Hub
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I can confirm the HUSBZB-1 works great as well and it’s directly plugged in (no usb extension cable).
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https://www.digikey.com/product-detail/en/silicon-labs/ACC-UZB3-E-STA/703-1127-ND/6111631
I have this one… before the Aerotec stick. didn’t work directly on RPi4.
The one on the link work directly on RPI4 without hub workaround
Paul and other HA gurus on this thread…
I stumbled across this issue last night when migrating from my Pi 3 to my Pi 4 setup. Lots of learning on the migration from Pi 3 to Pi 4, i found some older threads really useful, chipped in with my updates so it’s out there for others to use.
Anways…coming to the point…lol. I’ve been using the Aeotec Gen 5 USB controller for a while now with the Pi 3, obviously it won’t work with the Pi 4. I had this USB 2 hub lying around, but it still won’t show up. I can see in dmesg that its detected as a ttyUSB0 but then when i check using SSH there’s nothing in /dev/. So quite lost…
Am i doing something wrong? Is there a specific type of USB hub i should be looking for instead?
Appreciate the support folks. Thanks!!!
Cheers,
Trevor
Reports are it needs to be a powered USB 2.0 hub (that is left unpowered, ie fed from the pi only) and it needs plugging into a USB 2.0 port on the pi (a black one)
I used to use the aeotec stick too, the current one is an everspring plugged directly into the USB 2.0 port
I am using the Amazon Basics USB 2.0 Hub with the Gen5 Z-Stick. I haven’t encountered any issues.
Ooh…interesting. Thanks a ton Muttley.
So i will pick up a powered 2.0 USB hub but use it in an unpowered mode on the Pi (2.0) USB ports and report back.
Anyone else has any other experiences worth sharing?
Cheers,
Trevor
Thanks Cab426. Appreciate the response mate.
Am based in Melbourne, Australia…looked it up on Amazon’s (ripoff/crappy) website here and can’t find it.
Anyways…the search continues… 
Cheers,
Trevor
Also 1 reason to change to Sigma ZWave Stick. This one can add directly on a RPi4 without hub.
No fancy design but full Zwave Compliance
Waiting on 700 series to be adopted but will be upgrading to a Sigma standard at that point. No use in spending the money to upgrade to an older chipset, and not to mention having to rebuild my network. Z-Stick was actually purchased when I was using Vera as my controller but needed to upgrade my Multisensor firmware. I was frustrated with Vera and that was the path of least resistance at the time.
There is very little in the way of new “features” for controllers with the 700 Stick. Most of the “enhancements” are going to be around devices. So I don’t think you gain very much with 700 series controllers.
In order to leverage the “enhancements” of a 700 series device, will a 700 series controller be required?
I haven’t dug deep on the differences, just what Aeotec published.