GNSS  Module  Series 
L89_R2.0_EVB_User_Guide                                                 8  / 25 
 
 
 
1 Introduction 
 
This document provides infomation on the steps needed to evaluate the Quectel L89 R2.0 module using 
the Evaluation Board (EVB). The EVB is a reference tool that allows you to become familiar with the L89 
R2.0 module. 
 
Specifically, the document is divided into several sections: 
 
⚫  Chapter 2 provides the general overview of EVB kit accessories; 
⚫  Chapter 3 describes the EVB interfaces; 
⚫  Chapter 4 describes how to communicate with the module via QCOM tool; 
⚫  Chapter 5 describes how to test the module via QGNSS tool; 
⚫  Chapter 6 describes how to upgrade the module via QGPSFlashTool tool; 
⚫  Chapter  7  is  an  appendix,  which  summarizes  the  relevant  documents,  terms,  and  abbreviations 
appearing herein. 
 
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