Introduction; Product Outline; Hardware Interface Overview; Hardware Block Diagram - SimCom SIM7020C Hardware Design

1

Introduction

This document describes SIM7020 hardware interface in great detail. The document can help
customer to quickly understand SIM7020 interface specifications, electrical and mechanical details.
With the help of this document and other SIM7020 application notes, customer guide, customers can
use SIM7020 to design various applications quickly.
1.1

Product Outline

The SIM7020 series modules support LTE CAT-NB1.
With a tiny configuration of 17.6*15.7*2.3mm, SIM7020 can meet almost all the space requirements
in customers' applications, such as smart phone, PDA and other mobile devices. And the physical
dimension is compatible with the packaging of SIM800C.
Table 1: SIM7020 frequency bands and air interface
1.2

Hardware Interface Overview

The interfaces are described in detail in the next chapters include:
Power Supply

USB Interface

UART Interface

SIM Interface

ADC

Power Output

GPIOs

Antenna Interface

1.3

Hardware Block Diagram

The block diagram of the SIM7020 module is shown in the figure below.
Freque
Standard
ncy
B1
B3
B5
HD-FDD
B8
B20
B28
Variants
SIM7020C SIM7020E
 
 
 
 

