UMTS/HSPA Module Series
UG95 Hardware Design
UG95_Hardware_Design Confidential / Released 68 / 72
PAP
Password Authentication Protocol
PBCCH
Packet Broadcast Control Channel
PCB
Printed Circuit Board
PDU
Protocol Data Unit
PPP
Point-to-Point Protocol
PSK
Phase Shift Keying
PWM
Pulse Width Modulation
QAM
Quadrature Amplitude Modulation
QPSK
Quadrature Phase Shift Keying
RF
Radio Frequency
RHCP
Right Hand Circularly Polarized
RMS
Root Mean Square (value)
RTC
Real Time Clock
Rx
Receive
SIM
Subscriber Identification Module
SMS
Short Message Service
TDMA
Time Division Multiple Access
TE
Terminal Equipment
TX
Transmitting Direction
UART
Universal Asynchronous Receiver & Transmitter
UMTS
Universal Mobile Telecommunications System
URC
Unsolicited Result Code
USB
Universal Serial Bus
USIM
Universal Subscriber Identity Module
USSD
Unstructured Supplementary Service Data
Quectel
Confidential