User's Manual

L720 EVB User Manual

1 About this document

1.1 Scope of applications

This document describes the basic specifications of the L720 IoT Module EVB (hereinafter referred to as

the L720) series product electrical characteristics, design guidance and hardware interface development

guidance. Users should design according to this document requirement and guidance.

This document is only applicable to the application development of L720 series products.

1.2 Writing purpose

This document provides the design and development basis for the module product user.By readin

g this document, the user can have a whole understanding our products, technical parameters ha

ve a clear understanding of product, and on by reading the basis of this document user can hel

p user complete 4 G IoT wireless Internet access products or equipment application development.

This hardware development document not only provides the function of product features and technical

parameters, also provides product reliability test standard, business function and related implementation

process, the RF performance and circuit design to guide the user.All are giving users a more

comprehensive design reference.

This document describes the hardware interface of the L720 module EVB,can help user to quickly

understand L720 EVB interface specifications, electrical and mechanical details,with the help of this

document users can use L720 serial module to design and set-up various types wireless terminals.

Intended audience

This document applicable to：



Systems Design Engineer



Structural Engineer

 Hardware Engineer



Software Engineer



Test Engineer

Introduction

This document contains 5 chapters, contents as below:

Chapter

Content

1 Abstract

Introduce L720EVB basic technical SPEC.

2 Power Supply

Introduce L720 EVB power for the module.

3 Key Description

Introduce L720 EVB system control key