User's Manual
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Electronics
WCDMA/GSM(GPRS) Dual-band wireless module
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Table Of Contents
Preface
Scope
Standards
Introduction
Description
Specifications
Appearance
Mechanical
Dimensions
PCBLayoutDesign
HardwareOverview
BlockDiagram
PinDefinition
PinMap
PinDescription
HardwareInterface
PowerInterface
VBAT
PowerConsumption
VIO
VRTC
ON/OFFandReset
PinDefinition
PowerONSignal
PoweroffSignal
ResetSignal
IndicatorSignal
PinDescription
IndicatorDescription
LPGSignal
SMI
CDIIndicator
WAKE_UP
USBInterface
USBInterfaceDescription
USBInterfaceApplication
UARTInterface
UARTInterfaceDescription
UARTDesign
RingIndicator
USIM
USIMInterface
USIM
NormallyClosedSIMCircuitDesign
NormallyOpenSIMCircuitDesign
USIMDesignNotice
USIMHotPlug
HardwareConnection
SoftwareConfiguration
DigitalAudio
I2S
I2C
PCMModeInterface
ADCInterface
GPS_BLANKING
BODY_SAR
Clock
Others
ElectricalandEnvironmentalFeatures
ElectricalFeatures
EnvironmentalFeatures
RFInterface
OperationFrequencyBand
MainAntenna
RFPCBDesign
LayoutGuideline
Impedance
AntennaDesign
MainAntennaDesignRequirements
H350
LGA
Serials
Module
Hardware
User
Manual
Page
of
43
15
4
Hardware
Overview
4.1
Block
Diagram
Figure
4-
1
Block
Diagram
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