SIM Tech SIM900D HD Manual page 10

SIM900D Hardware Design
Abbreviation
Li-Ion
MO
MS
MT
PAP
PBCCH
PCB
PCS
PDU
PPP
RF
RMS
RTC
RX
SIM
SMS
TDMA
TE
TX
UART
URC
USSD
VSWR
Vmax
Vnorm
Vmin
VIHmax
VIHmin
VILmax
VILmin
VImax
VImin
VOHmax
VOHmin
VOLmax
VOLmin
Inorm
SIM900D_HD_V1.02
Description
Lithium-Ion
Mobile Originated
Mobile Station (GSM engine), also referred to as TE
Mobile Terminated
Password Authentication Protocol
Packet Switched Broadcast Control Channel
Printed Circuit Board
Personal Communication System, also referred to as GSM 1900
Protocol Data Unit
Point-to-point protocol
Radio Frequency
Root Mean Square (value)
Real Time Clock
Receive Direction
Subscriber Identification Module
Short Message Service
Time Division Multiple Access
Terminal Equipment, also referred to as DTE
Transmit Direction
Universal Asynchronous Receiver & Transmitter
Unsolicited Result Code
Unstructured Supplementary Service Data
Voltage Standing Wave Ratio
Maximum Voltage Value
Normal Voltage Value
Minimum Voltage Value
Maximum Input High Level Voltage Value
Minimum Input High Level Voltage Value
Maximum Input Low Level Voltage Value
Minimum Input Low Level Voltage Value
Absolute Maximum Input Voltage Value
Absolute Minimum Input Voltage Value
Maximum Output High Level Voltage Value
Minimum Output High Level Voltage Value
Maximum Output Low Level Voltage Value
Minimum Output Low Level Voltage Value
Normal Current
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09.04.2010