Introduction - Quectel EC21 Series Hardware Design

LTE Module Series
EC21 Hardware Design
1

Introduction

This document defines the EC21 module and describes its air interface and hardware interface which are
connected with your application.
This document can help you quickly understand module interface specifications, electrical and
mechanical details, as well as other related information of EC21 module. Associated with application note
and user guide, you can use EC21 module to design and set up mobile applications easily.
EC21_Hardware_Design Confidential / Released 10 / 94