Product Info
                                                                                                                                            Automotive  Module  Series 
   AG521R-NA  QuecOpen
Hardware  Design 
AG521R-NA_QuecOpen_Hardware_Design                                                                                      90  / 104 
MS   
Mobile Station (GSM engine) 
MT   
Mobile Terminated 
PAP   
Password Authentication Protocol 
PCB   
Printed Circuit Board 
PDU   
Protocol Data Unit 
PPP   
Point-to-Point Protocol 
Ppp 
Peak Pulse Power 
QAM 
Quadrature Amplitude Modulation 
QPSK 
Quadrature Phase Shift Keying 
RF   
Radio Frequency 
RHCP 
Right Hand Circularly Polarized 
Rx   
Receive 
SIMO 
Single Input Multiple Output 
SMS   
Short Message Service 
TDD 
Time Division Duplexing 
TDMA   
Time Division Multiple Access 
TD-SCDMA 
Time Division-Synchronous Code Division Multiple Access 
TX   
Transmitting Direction 
UL 
Uplink 
UMTS 
Universal Mobile Telecommunications System 
URC   
Unsolicited Result Code 
(U)SIM 
(Universal) Subscriber Identity Module 
Vmax 
Maximum Voltage Value   
Vnorm 
Normal Voltage Value 
Vmin 
Minimum Voltage Value 










