UMTS/HSPA+ Module Series
UG89 Hardware Design
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PPP
Point-to-Point Protocol
PSK
Phase Shift Keying
QAM
Quadrature Amplitude Modulation
QPSK
Quadrature Phase Shift Keying
RF
Radio Frequency
SMS
Short Message Service
SMTP
Simple Mail Transfer Protocol
SSL
Secure Sockets Layer
TCP
Transmission Control Protocol
TDD
Time Division Duplexing
UART
Universal Asynchronous Receiver &Transmitter
UDP
User Datagram Protocol
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
V
IH
max
Maximum Input High Level Voltage Value
V
IH
min
Minimum Input High Level Voltage Value
V
IL
max
Maximum Input Low Level Voltage Value
V
IL
min
Minimum Input Low Level Voltage Value
V
OH
max
Maximum Output High Level Voltage Value
V
OH
min
Minimum Output High Level Voltage Value