Quectel UC20 Manual page 80

PCB
PDU
PPP
PSK
QAM
QPSK
RF
RHCP
RMS
RTC
Rx
SIM
SMS
TDMA
TE
TX
UART
UMTS
URC
USIM
USSD
Vmax
Vnorm
Vmin
V max
IH
UC20_Hardware_Design
Printed Circuit Board
Protocol Data Unit
Point-to-Point Protocol
Phase Shift Keying
Quadrature Amplitude Modulation
Quadrature Phase Shift Keying
Radio Frequency
Right Hand Circularly Polarized
Root Mean Square (value)
Real Time Clock
Receive
Subscriber Identification Module
Short Message Service
Time Division Multiple Access
Terminal Equipment
Transmitting Direction
Universal Asynchronous Receiver & Transmitter
Universal Mobile Telecommunications System
Unsolicited Result Code
Universal Subscriber Identity Module
Unstructured Supplementary Service Data
Maximum Voltage Value
Normal Voltage Value
Minimum Voltage Value
Maximum Input High Level Voltage Value
Confidential / Released
UMTS/HSPA Module Series
UC20 Hardware Design
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