On the one hand, the terminals and antennas on the same side, but this is already apparent in advance.
Is a hindrance if you want to mount the unit upside down, but where there is a will there is a way.
The second problem is more serious, however, when trying to transfer large files to a
external HDD (no matter if FAT32 or NTFS) will depend on the router. There were both other boards
as well as several firmware versions tested. The Merlin variant has this error.
Then you can still surf but no longer on the web interface, let alone on the shares.