Installations And Communication; Driver Installation; Usb-To-Uart Interface Driver Installation; Module Usb Interface Driver Installation - SimCom SIM7020C User Manual

※ Notice

Module VBAT range is from 2.1V to 3.6V, typical is 3.3V recommended.

Module GPIO pins are at 1.8V logical level. Cannot be connected to external 3.0V or higher
level signals directly.

SIM7020 series modules are NB1 only, without GNSS technology.

3 Installations and Communication

3.1 Driver installation

There are two USB jacks, one is USB to UART (position D), and the other one is USB (position F).

3.1.1 USB-to-UART interface driver installation

This USB-to-UART chipset on board is from Silicon labs.
Here is the driver link.
https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers
After driver installed properly and completely, there are two virtual USB ports, for example
COM23 and COM24 as below.
Interface Number
Enhanced COM 24
Standard COM 23

3.1.2 Module USB interface driver installation

SIM7020 Chipset is from MTK (MediaTek). SIMCom provide proper driver to developer, please
SIM7020 Series SUB Kit_User Guide
SIM7020 UART Comments
UART1 Full mode for AT communication
UART2 No hardware flow control, for FW upgrade
Simplify Communication
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