Place board

Align the USB port to the cutout on the case.

Carefully apply light pressure to seat the board in the case.

Use 2 M2.5x6mm screws to fasten the bracket over board to the case.

STEMMA 

Optionally, use nylon standoffs, screws, and nuts to secure STEMMA boards to the vents on the lid part.

Attach Lid

Align the nubs on the sides of the case to the snap fit parts on the lid to fit together.

Antenna 

Mount a wFL antenna with the included nuts to the cutouts on the case.