Interface Introduction - SimCom SIM7020C User Manual

In order to get proper part to do the evaluation test, here is brief list for SIM7020x-SUBKIT part
numbers.
Kit type
SIM7020C-SUBKIT
SIM7020E-SUBKIT

2.2 Interface Introduction

From above overview on the SIM7020x-SUB, we can see many signal interfaces, communication
ports and antenna interface. Now, we will describe them in detail.
Index Position
A
Uxxx
B
SW1
C
J400
D
J204
E
SW2
F
J104
G
J3
H
J1
I
J101
J
J4
SIM7020 Series SUB Kit_User Guide
Part Number Comments
S2-107ZF For China
S2-107ZG For Europe, Australia and South Asia etc.
Description
SIM7020x Module
PWRKEY Button
SIM Card holder
1. UART ports of SIM7020x, for AT communication and FW update.
2. Power Supply
Power Switch (Left is ON, PWR+ red LED light)
USB port of SIM7020x, for debugging
LTE antenna SMA connector
Reset and GND reserve locations, for resetting the module
DTR and VDD_EXT reserve locations, for sleep mode (AT+CSCLK=1)
RTC_EINT and GND reserve locations, for waking up module from the
PSM mode
Simplify Communication
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