Manuale UtenteSommarioTable of Contents5List of Figures8List of Tables9Preface11Manual Scope11Target Audience11Manual Organization11Applicable Documents11Regulatory Requirements12Regulatory Statement (Safety)12FCC Notice to Users12Precautions13Antenna and Transmission Safety Precautions13Standards14Contact Us15Text Conventions16Field Service17General Safety17Caring for the Environment18Limitation of Liability19Warranty Notification19How to Get Warranty Service?20Claiming20Conditions21What is Not Covered by the Warranty21Installed Data22Out of Warranty Repairs22Revision History23Chapter 1: Introduction25Product Specifications26Regulatory Approvals29European Union Directives Conformance Statement29MIC (Japan) Approval30CFR 47 Part 15.19 specifies label requirements31CFR 47 Part 15.21 Information to user31CFR 47 Part 15.105 Information to the user31Chapter 2: Hardware Interface Description33Architecture Overview33Digital Block34Analog Block34RF Transceiver Block35WCDMA Transceiver36Operating Modes37Power Supply38Power Supply Design38Current Consumption40Power On/Off Operation43Turning the H24 On43Power Supply Turn-on43Turning the H24 On Using ON_N44Turning the H24 On Using IGN45Turning the H24 Off45Turning the H24 Off Using ON_N45Turning the H24 Off Using IGN46Power Loss shut down46Turning the H24 Off Using AT+MPWRDN47Low Power Mode48Activating Low Power Mode48Serial Interface During Low Power Mode49Terminating Low Power Mode50Temporary Termination of Low Power Mode50UART and USB Exiting of Low Power Mode51Real Time Clock52Serial Interfaces53Primary UART (UART1)53USB Interface53SIM Interface55External SIM Connection55SIM Design Guidelines55Embedded SIM56Audio Interface57Handset Interface57Headset Interface58Interface to an External Speaker Amplifier59Audio Design60Analog Ground61Digital Audio Interface61Voiceband Audio61Controls and Indicators Interface63Reset63VREF Reference Regulator63OFF Mode64Sleep Mode64Active Mode64Wakeup Out64Network Connection Detection65Transmission Indicator66General Purpose I/O66Antenna Interface67Diversity68RX Diversity Overview68Performance68GPS and Antenna Interface69Introduction69GPS Receiver Performance69Time To First Fix (TTFF)69Sensitivity69Position accuracy70Protovol Support70Module Current Consumption70GPS Active Antenna Supply Circuit70GPS Antenna Connector Location71GPS Antenna - Installation Guidelines71Chapter 3: Electrical and Environmental Specifications73Absolute Maximum Ratings73Environmental Specifications74Application Interface Specifications74Chapter 4: Mechanical Specifications81Board Dimensions81Interface Connector Specifications82Mating Connector83MMCX Connector Specifications84Mating Connector84U.FL Connector Specifications86Mating Connector87H24 Mounting88Chapter 5: Service and Testing89Service89Who to Contact?89Required Query Information89Acronyms and Abbreviations91A91B91C91D91E91F92G92H92I92L92M92O92P92R93S93T93U94V94W94Index95A95B95E95H95O95P95R95S95T95U95Dimensioni: 939 KBPagine: 98Language: EnglishApri il manuale