Well, I broke it as predicted … the SMA was not well soldered to the board, and it looks like the legs were shortened to accomodate the 18650 holder.
So I have :
- removed the SMA from the board
- modified the frame part of the case design to replace the SMA pass-though hole with a mounting point for an SMA chassis socket
- wired the SMA socket direct to the board (no need for coax as it’s only 5mm)
The result is much stronger and looks like it should last
Cheers
Rick