Motorola MK1250-0N0DAKBNTWR - Symbol Micro Kiosk MK 1250 Product Reference Manual page 35

Move to the left first
Move down
second
Mounting Directions
Figure 2-3
Vertical Cable Run
Cable Routing
Figure 2-4
Recessed Wall Mounting
To recess the MK1200:
Cut an opening in the wall, 8.63" minimum height x 8.0" minimum width.
1.
Place the back housing into the opening, following the instructions in
2.
See Figure 2-2 and Figure 2-3 on page
NOTE Recessed mounting may degrade wireless network performance.
2-5. Symbol does not provide hardware to support this installation.
Installation
Using the Wall Mount Kit on page
2 - 5
2-4.