Looking at the positioning of the antennas, it looks like my wall mount (or desk stand) could work. Worst case one of the retainer clips for the wall mount could be shifted (since my design includes the OpenSCAD file) or removed (even after printing).
Update: The wall mount fits the custom case perfectly but it's an itty bit too small for the stock case. You could probably increase the size by 1-2% and it would work fine for the stock hub.
Some good options here, thanks! I'll see exactly where the antennas end up and go from there. This one is going out in my barn so not the nicest of environments but not terrible either.
Curious to see how much range I'll have and hoping I'll easily be able to reach my other barn and chicken coop.
Here's to hoping the C8 or next revision includes external antennas too!! (or at least an option to buy it that way)
This is where I should have spent more time. Oh, and also remembering to mark which connector goes to which antenna. Learn from my mistakes, so you can make completely new ones!
3 weeks later (mostly due to cheapest shipping). Turns out that my antenna placement left zero margin, but works! Not sure when I will wall mount, since I am heading out of town.
I have a long-since decommissioned Luxul XW-24-FP7 sitting around collecting dust. Does anyone see any issues with using this as the antenna for this mod? I don't have any Zigbee devices, so this is Z-Wave only.
I was hoping to be able to stash my hub on a shelf inside my closed rack. Just got back the hub he upgraded and I am now using the dual antenna mount (which he found for me to buy on Amazon...more kindness).
All but 3 of my 39 Z-Wave devices are now directly connected.
Add my thanks to the others given to Lewis for sharing his knowledge and skill--Thanks!
As others have mentioned numerous times: If you're thinking about doing this, just do it. Hopefully the theoretical C-8 already will have this connector built in, but in the meantime, this is a great upgrade. If you have a moderate level of soldering skill, you can do it.
One thing to be aware of (stating the obvious): in @lewis.heidrick's awesome tutorial (which you definitely need to read and watch) the photos/videos are VERY zoomed in (macro lens, I think). These parts are tiny. Even with tweezers, it's a bit tricky to get the connector where you want it, but eventually you get it. Just take your time.
It's funny, when I first watched the video, I hadn't yet taken apart my Hub nor received the parts. I was wondering why you had put such a massive glob of flux paste on the connectors.