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Device Product Group 
Security Level 3 
MCROEM User Manual
 
DPG-00604 
ERG Confidential © ERG 2005 
Page 16 of 20 
Revision 1.0 / 11 October 2005 
 
 
 
 
Figure 6: Typical physical envelope 
 
5.1.2 Mounting 
Holes 
All mounting holes are M3.2.  The mounting holes are aligned and may be used with screws 
and plastic spacers to secure the MCR inside the product.  The 100 mm cable allows the 
Control Board and Antenna Board to be separated to accommodate different mounting 
scenarios. For instance, the boards could be stacked, mounted side by side or mounted on 
an angle.  
Spacers between the shield and control pcb, ensure the shield remains fixed to the control 
pcb, and eliminates shield deformation during assembly into the final device.