Simplify Communication 
SIM7020 Series_SUB KIT_User Guide    Page 4 / 13 
1 Purpose of this document 
With SIM7020 SUB KIT, developer could verify each function quickly and easily. 
This document is aim to introduce every interface usage of this SUB kit, and send AT command to 
demo module functions. 
2  Evaluation Board Overview 
2.1  SIM7020 SUB KIT Overview 
Here is an overview of the total SUB KIT package. 
SUB kit package list is following, 
1)  SIM7020x-SUB (x stands for C/E/G) 
2)  Micro USB cable 
3)  LTE antenna 
 
   
Here is the bottom view of SIM7020x-SUB.