According to the design, it should be a double-sided PCB (or PCBA), but the unit I received is only single-sided.

We recently placed an order for multiple PCBs. However, for two product families, a total of 10 boards were delivered with SMT components assembled on one side only.

Order number : SMT025090161945-2302997A

Order number : SMT025090260707-2302997A