HUAWEI MU609 HSPA LGA Module 
Application Guide 
 
Huawei Proprietary and Confidential 
Copyright © Huawei Technologies Co., Ltd. 
 
Application
Mobile equipment
 
1.2 Organization of This Document 
Describes the contents and organization of this 
document 
Chapter 2 Initialization 
Application Scenarios 
Describes scenarios for initialization 
Chapter 3 Serial Port 
Configuration Application 
Scenarios 
Describes scenarios for serial port 
configuration 
Chapter 4 External Protocol 
Stack Application Scenarios 
Describes scenarios for external protocol stack 
Chapter 5 Internal Protocol Stack 
Application Scenarios 
Describes scenarios for internal protocol stack 
Chapter 6 Voice and 
Supplementary Service 
Application Scenarios 
Describes scenarios for voice and audio 
service 
Chapter 7 Text Message 
Application Scenarios 
Describes scenarios for the text message 
Chapter 8 Phonebook 
Application Scenarios 
Describes scenarios for phonebook 
Chapter 9 SIM Operation 
Application Scenarios 
Describes scenarios for PIN management 
Chapter 10 Sleeping and Waking 
Up Application Scenarios 
Describes scenarios for power management 
Chapter 11 Thermal Protection 
Application Scenarios 
Describes scenarios for thermal protection 
Chapter 12 GPS Application 
Scenarios 
Describes scenarios for GPS