Smart Machine Smart Decision 
SIM7020_Hardware_Design_V1.02    39       2018-07-25 
 
6  SMT Production Guide 
6.1  Top and Bottom View of SIM7020   
 
Figure 25: Top and bottom view of SIM7020 
6.2  Typical SMT Reflow Profile 
SIMCom provides a typical soldering profile. Therefore the soldering profile shown below is only a 
generic recommendation and should be adjusted to the specific application and manufacturing 
constraints.   
 
Figure 26: The ramp-soak-spike reflow profile of SIM7020 
Note: For more details about secondary SMT, please refer to the document [21].