Product Info
                                                                                                                                            Automotive  Module  Series 
   AG521R-NA  QuecOpen
Hardware  Design 
AG521R-NA_QuecOpen_Hardware_Design                                                                                      89  / 104 
DC-HSPA+ 
Dual-carrier High Speed Packet Access 
DFOTA 
Delta Firmware Upgrade Over The Air 
DL 
Downlink 
DTR   
Data Terminal Ready 
DTX   
Discontinuous Transmission 
EFR 
Enhanced Full Rate 
ESD   
Electrostatic Discharge 
EVDO 
Evolution-Data Optimized 
FDD 
Frequency Division Duplex 
FR 
Full Rate 
GLONASS 
GLObalnaya NAvigatsionnaya Sputnikovaya Sistema, the Russian Global 
Navigation Satellite System 
GMSK 
Gaussian Minimum Shift Keying 
GPS 
Global Positioning System 
GSM 
Global System for Mobile Communications 
HR 
Half Rate 
HSPA 
High Speed Packet Access 
HSDPA 
High Speed Downlink Packet Access 
HSUPA 
High Speed Uplink Packet Access 
I/O   
Input/Output 
Inorm 
Normal Current 
LED   
Light Emitting Diode 
LNA 
Low Noise Amplifier 
LTE 
Long Term Evolution 
MIMO 
Multiple Input Multiple Output 
MO   
Mobile Originated 










