MEIG SLM770A - Page 74

SLM770A Module Hardware Design Manual
MeiG Smart Technology Co., Ltd 77/77
PC
Personal Computer
PCB
Printed Circuit Board
PCS
Personal Cellular System
PCM
Pulse Code Modulation
PCS
Personal Communication System
PDU
Packet Data Unit
PPP
Point-to-point protocol
PS
Packet Switched
QPSK
Quadrate Phase Shift Keying
SIM
Subscriber Identity Module
TCP/IP
Transmission Control Protocol/ Internet Protocol
UART
Universal asynchronous receiver-transmitter
USIM
Universal Subscriber Identity Module
UMTS
Universal Mobile Telecommunications System
USB
Universal Serial Bus
WCDMA
Wideband Code Division Multiple Access
TD-SCDMA
Time Division-Synchronous Code Division Multiple Access
TDD-LTE
Time Division Long Term Evolution
FDD-LTE
Frequency Division Duplexing Long Term Evolution
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