Product Info

LTE Standard Module Series
EC21 Hardware Design
EC21_Hardware_Design 13 / 120
1 Introduction
This document defines EC21 module and describes its air interface and hardware interfaces which are
connected with customers’ applications.
This document can help customers quickly understand module interface specifications, electrical and
mechanical details, as well as other related information of EC21 module. To facilitate its application in
different fields, relevant reference design is also provided for customers’ reference. Associated with
application note and user guide, customers can use EC21 module to design and set up mobile
applications easily.