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SARA-G3 seriesDual and quad-band GSM/GPRS modulesData sheetAbstractTechnical data sheet describing SARA-G3 series GSM/GPRS cellular modules. These modules arecomplete and cost-efficient solutions offering two-band or quad-band GSM/GPRS voice and/or datatransmission technology in a compact form factor.UBX-13000993 - R24C1-Publicwww.u-blox.com
SARA-G3 series - Data sheetDocument informationTitleSARA-G3 seriesSubtitleDual and quad-band GSM/GPRS modulesDocument typeData sheetDocument numberUBX-13000993Revision and dateR24Disclosure restrictionC1-Public18-Jun-2021Product statusCorresponding content statusFunctional sampleDraftFor functional testing. Revised and supplementary data will be published later.In development /PrototypeObjective specificationTarget values. Revised and supplementary data will be published later.Engineering sampleAdvance informationData based on early testing. Revised and supplementary data will be published later.Initial productionEarly production informationData from product verification. Revised and supplementary data may be published later.Mass production /End of lifeProduction informationDocument contains the final product specification.This document applies to the following products:Product nameType numberModem version Application version PCN referenceProduct 57620End of -0108.90A01.13UBX-21024405End of ARA-G350-02X-0108.90A01.13UBX-21024405End of lifeSARA-G340 ATEXSARA-G350SARA-G350 ATEXu-blox or third parties may hold intellectual property rights in the products, names, logos and designs included in thisdocument. Copying, reproduction, modification or disclosure to third parties of this document or any part thereof is onlypermitted with the express written permission of u-blox.The information contained herein is provided “as is” and u-blox assumes no liability for its use. No warranty, either express orimplied, is given, including but not limited to, with respect to the accuracy, correctness, reliability and fitness for a particularpurpose of the information. This document may be revised by u-blox at any time without notice. For the most recentdocuments, visit www.u-blox.com.Copyright u-blox AG.UBX-13000993 - R24C1-PublicDocument informationPage 2 of 47
SARA-G3 series - Data sheetContentsDocument information . 2Contents . 31Functional description . 51.1 Overview . 51.2 Product features . 51.3 Block diagram . 61.4 Product description . 71.5 AT command support . 81.6 Supported features . 82Interfaces . 112.1 Power management .112.1.1Module supply input (VCC) .112.1.2RTC supply input/output (V BCKP) .112.1.3Digital I/O interfaces supply output (V INT) .112.2 Antenna .112.2.1Antenna RF interface (ANT) .112.2.2Antenna detection (ANT DET) .112.3 System functions .122.3.1Module power-on (PWR ON) .122.3.2Module power-off .122.3.3Module reset (RESET N) .122.3.4External 32 kHz signal input (EXT32K) .122.3.5Internal 32 kHz signal output (32K OUT) .132.4 SIM .132.4.1(U)SIM interface .132.4.2SIM card detection (SIM DET) .132.5 Serial interfaces .132.5.1Asynchronous serial interface (UART) .142.5.2Auxiliary asynchronous serial interface (AUX UART) .152.5.3DDC (I2C compatible) interface .152.6 Audio .162.7 GPIO .163Pin definition . 173.1 Pin assignment .174Electrical specifications . 224.1 Absolute maximum rating.224.1.1Maximum ESD .224.2 Operating conditions .234.2.1Operating temperature range .234.2.2Module thermal resistance .23UBX-13000993 - R24C1-PublicContentsPage 3 of 47
SARA-G3 series - Data sheet4.2.3Supply/Power pins .244.2.4Current consumption .254.2.5RF performance .264.2.6ANT DET pin.264.2.7PWR ON pin .274.2.8RESET N pin .274.2.9EXT32K pin.274.2.10 SIM pins .284.2.11 Generic Digital Interfaces pins .284.2.12 DDC (I2C) pins .314.2.13 Audio pins .315Mechanical specifications . 326Qualification and approvals. 346.1 Reliability tests .346.2 Approvals .3476.2.1SARA-G3 series .346.2.2SARA-G340 ATEX and SARA-G350 ATEX .35Product handling . 377.1 Packaging .377.1.1Reels .377.1.2Tapes .387.2 Moisture sensitivity levels .387.3 Reflow soldering .397.4 ESD precautions .398Default settings . 409Labeling and ordering information . 419.1 Product labeling.419.2 Explanation of codes .429.3 Ordering information .43Appendix . 44AGlossary . 44Related documentation . 45Revision history . 46Contact . 47UBX-13000993 - R24C1-PublicContentsPage 4 of 47
SARA-G3 series - Data sheet1Functional description1.1 OverviewSARA-G3 series modules are versatile 2.5G GSM/GPRS cellular modules in a miniature LGA (Land GridArray) form factor. Featuring low power consumption, the SARA-G3 series combines baseband, RFtransceiver, power management unit, and power amplifier in a single, easy-to-integrate solution.SARA-G3 modules provide a fully qualified and certified solution, reducing cost and enabling shorttime to market. These modules are ideally suited for M2M applications such as: Automatic MeterReading (AMR), Remote Monitoring Automation and Control (RMAC), surveillance and security, eCall,road pricing, asset tracking, fleet management, anti-theft systems and Point of Sales (PoS)terminals.SARA-G340 (dual-band) and SARA-G350 (quad-band) are full feature GSM/GPRS cellular moduleswith a comprehensive feature set including an extensive set of internet protocols. The modules alsoprovide fully integrated access to u-blox GNSS positioning chips and modules, with embedded A-GPS(AssistNow Online and AssistNow Offline) functionality. Any host processor connected to the cellularmodule through a single serial port can control both the cellular module and the positioning chip /module.SARA-G310 (quad-band) and SARA-G300 (dual-band) are GSM/GPRS cellular modules targeted forhigh volume cost-sensitive applications, providing GSM/GPRS functionalities with a reduced set ofadditional features to minimize the customer’s total cost of ownership. The SARA-G3 series’ compactform factor and LGA pads allow fully automated assembly with standard pick & place and reflowsoldering equipment for cost-efficient, high-volume production.1.2 Product features SARA-G300 SARA-G310 SARA-G340 24 SARA-G340 ATEX 24 SARA-G350 24 SARA-G350 ATEX 24 supported by all product versions supported by product versions “01” onwards2 2 AutomotiveProfessionalStandardATEX certificationLow power idle-modeeCall / ERA-GLONASSGradeFW update via serial interfaceDual stack IPv4/IPv6Embedded SSLEmbedded FTP, HTTP, SMTPEmbedded TCP/UDP stackJamming detectionAntenna supervisorFeaturesNetwork indicationDigital AudioAnalog AudioAudioDDC for u-blox GNSS receiversGPIOUSB 2.0SPIInterfacesUARTCellLocate AssistNow SoftwareGNSS via modemPositioningGNSS receiverGSM/GPRS 2-band 900/1800BandsGSM/GPRS 4-bandDataRateGPRS multi-slot class 10Module 32 kHz signal at EXT32K input is required for low power idle-mode supported by product versions “02” onwardsTable 1: SARA-G3 series – summary of modules’ main features11SARA-G340 ATEX and SARA-G350 ATEX modules provide the same feature set as the SARA-G340 and SARA-G350 modulesrespectively, with the additional certification for use in potentially explosive atmospheres. Unless otherwise specified, SARAG340 refers to all SARA-G340 ATEX and SARA-G340 modules; in the same way SARA-G350 refers to both SARA-G350 ATEXand SARA-G350 modules.UBX-13000993 - R24C1-PublicFunctional descriptionPage 5 of 47
SARA-G3 series - Data sheet1.3 Block diagram26 MHz32 kHz32 IM cardUARTMemoryAuxiliary UARTBasebandVCC (Supply)V BCKP (RTC)PowerManagementV INT (I/O)Figure 1: SARA-G300 and SARA-G310 block diagram32.768 kHz26 IM cardSIM card detectionUARTMemoryAuxiliary UARTBasebandVCC (Supply)V BCKP (RTC)DDC (for GPS/GNSS)Analog audioDigital audioPowerManagementGPIOV INT (I/O)Antenna detectionFigure 2: SARA-G340 and SARA-G350 block diagramUBX-13000993 - R24C1-PublicFunctional descriptionPage 6 of 47
SARA-G3 series - Data sheet1.4 Product descriptionItemSARA-G310SARA-G340SARA-G350GSM/GPRS Protocol 3GPP Release 99StackSARA-G3003GPP Release 993GPP Release 993GPP Release 99Mobile Station Class Class B 2Class B 2Class B 2Class B 2GSM/GPRS BandsE-GSM 900 MHzDCS 1800 MHzGSM 850 MHzE-GSM 900 MHzDCS 1800 MHzPCS 1900 MHzE-GSM 900 MHzDCS 1800 MHzGSM 850 MHzE-GSM 900 MHzDCS 1800 MHzPCS 1900 MHzGSM/GPRS PowerClassClass 4 (33 dBm)for 900 bandClass 1 (30 dBm)for 1800 bandClass 4 (33 dBm)for 850/900 bandsClass 1 (30 dBm)for 1800/1900 bandsClass 4 (33 dBm)for 900 bandClass 1 (30 dBm)for 1800 bandClass 4 (33 dBm)for 850/900 bandsClass 1 (30 dBm)for 1800/1900 bandsPacket SwitchedData RateGPRS multi-slot class 10 3 GPRS multi-slot class 10 3 GPRS multi-slot class 10 3 GPRS multi-slot class 10 3Coding scheme CS1-CS4 Coding scheme CS1-CS4 Coding scheme CS1-CS4 Coding scheme CS1-CS 4Up to 85.6 kb/s DL 4Up to 85.6 kb/s DL 4Up to 85.6 kb/s DL 4Up to 85.6 kb/s DL 4Up to 42.8 kb/s UL 4Up to 42.8 kb/s UL 4Up to 42.8 kb/s UL 4Up to 42.8 kb/s UL 4Circuit SwitchedData RateUp to 9.6 kb/s DL/UL 4Transparent modeNon-transparent modeUp to 9.6 kb/s DL/UL 4Transparent modeNon-transparent modeUp to 9.6 kb/s DL/UL 4Transparent modeNon-transparent modeUp to 9.6 kb/s DL/UL 4Transparent modeNon-transparent modeNetwork OperationModesI to IIII to IIII to IIII to IIITable 2: SARA-G3 series GSM/GPRS characteristics summaryThe network automatically configures the channel encoding used by the module, depending onconditions and the quality of the radio link between cell phone and base station. If the channel is verynoisy, the network may use the most robust coding scheme (CS-1) to ensure higher reliability. If thechannel provides good conditions, the network can use the least robust but fastest coding scheme(CS-4) to obtain optimum speed.Basic featuresSupplementary servicesShort Message Service (SMS)Display of Called Number 5Call Hold/Resume (HOLD) 5Text and PDU mode supportedIndication of Call Progress Signals5Call Waiting (CW)5Mobile-Originating SMS (MO SMS)5Country/PLMN IndicationCall Forwarding (CFU, CFB, CFNRy, CFNRc)Country/PLMN SelectionCall Barring (BAOC, BOIC, BOIC-exHC, BAIC,BIC Roam) 5SMS indication and acknowledgementInternational Access Function 5Call Deflection (CD) 5SMS Cell Broadcast (CBS)Service IndicatorExplicit Call Transfer (ECT)Emergency Calls Capabilities 5Multi-Party (MTPY) 5Mobile-Terminating SMS (MT SMS)5Dual Tone Multi Frequency (DTMF) Calling Line Identification Presentation (CLIP)SMS during circuit-switched calls 5SMS over CSD5SMS over PSD5Subscription Identity Management Calling Line Identification Restriction (CLIR) 5SMS storage on SIMService Provider IndicationConnected Line Identification Presentation(CoLP) 5SMS storage on module memory 5Abbreviated Dialing 5Connected Line Identification Restriction(CoLR) 5Concatenated SMS2Device can be attached to both GPRS and GSM services (i.e. Packet Switch and Circuit Switch mode) using one service at atime.3GPRS multi-slot class 10 implies a maximum of 4 slots in DL (reception) and 2 slots in UL (transmission) with 5 slots in total.4The maximum bit rate of the module depends on the current network settings.5Supported only by SARA-G340 and SARA-G350 modulesUBX-13000993 - R24C1-PublicFunctional descriptionPage 7 of 47
SARA-G3 series - Data sheetBasic featuresFixed Number DialingSupplementary services5Short Message Service (SMS)Unstructured Supplementary Services Data(USSD)Barring of Dialed Numbers 5Advice of Charge Charging (AoCC, AoCI) 5SIM Application Toolkit 5Calling Name Presentation (CNAP) 5ME-SIM lockNetwork Identify and Time Zone (NITZ)Table 3: SARA-G3 series mobile stations: basic features, supplementary services, and SMS service summary61.5 AT command supportThe module supports AT commands according to 3GPP standards: TS 27.007 [9], 27.005 [10],27.010 [11], and the u-blox AT command extension. For the complete list of the supported AT commands and their syntax, see the u-blox ATcommands manual [1].RIL (Radio Interface Layer) software for Android and Embedded Windows is available for SARA-G3modules free of charge; see the Android RIL Production delivery [6] application note for moreinformation.1.6 Supported featuresTable 4 describes the main features supported by SARA-G3 modules. For more details, see the SARAG3 / SARA-U2 series system integration manual [2] and the u-blox AT commands manual [1].FeatureModuleDescriptionNetwork IndicationSARA-G340 /SARA-G350GPIO configured to indicate the network status: registered home network,registered roaming, voice or data call enabled, no service.The network indication feature can be enabled through a custom AT command(see the u-blox AT commands manual [1], UGPIOC AT command).Antenna DetectionSARA-G340 /SARA-G350The ANT DET pin provides antenna presence detection capability, evaluatingthe resistance from the ANT pin to GND by means of an external antennadetection circuit implemented on the application board.The antenna detection feature can be enabled through a custom AT command(see the u-blox AT commands manual [1], UANTR AT command).Jamming detectionSARA-G340 /SARA-G350Detects “artificial” interference that obscures the operator’s carriers providingaccess to the GSM service and reports the start and stop of such conditions tothe application processor (AP). The AP can react appropriately, e.g. by switchingoff the radio transceiver to reduce power consumption and monitoring theenvironment at constant periods.The jamming detection feature can be enabled and configured through a customAT command (see the u-blox AT commands manual [1], UCD AT command).Jamming conditionindication over GPIO 7SARA-G340 /SARA-G350The jamming condition can be reported by a GPIO of the module as enabled andconfigured through a custom AT commands (see the u-blox AT commandsmanual [1], UCD and UGPIOC AT commands).Second AT interface 7SARA-G340 /SARA-G350AT command mode available on both the UART and the Auxiliary UARTinterfaces.See the u-blox AT commands manual [1], USIO AT command for further detailsregarding serial interfaces configuration selection.Embedded TCP/IP andUDP/IPSARA-G340 /SARA-G350Embedded TCP/IP and UDP/IP stack including direct link mode for TCP and UDPsockets.67These functionalities are supported via AT commands (for more details see the u-blox AT commands manual [1]).Supported by “02” product versions onwardsUBX-13000993 - R24C1-PublicFunctional descriptionPage 8 of 47
SARA-G3 series - Data sheetFeatureModuleDescriptionThe sockets can be configured in Direct Link mode to establish a transparentend-to-end communication with an already connected TCP or UDP socket viaserial interface.FTP, FTPS 8SARA-G340 /SARA-G350File Transfer Protocol as well as Secure File Transfer Protocol (SSL encryption ofFTP control channel) functionalities are supported via AT commands.HTTP, HTTPS 8SARA-G340 /SARA-G350Hyper-Text Transfer Protocol as well as Secure Hyper-Text Transfer Protocol(SSL encryption) functionalities are supported via AT commands. HEAD, GET,POST, DELETE and PUT operations are available. Up to 4 client contexts can besimultaneously used.Embedded TLS 1.2 7SARA-G340 /SARA-G350With the support of X.509 certificates, Embedded TLS 1.2 provides server andclient authentication, data encryption, data signature and enables TCP/IPapplications like HTTPS and FTPS to communicate over a secured and trustedconnection.The feature can be configured and enabled by USECMNG and USECPRF ATcommands.IPv4/IPv6 dual-stack 9SARA-G340 /SARA-G350Capability to move between IPv4 and dual stack network infrastructures. IPv4and IPv6 addresses can be used.GPS/GNSS via ModemSARA-G340 /SARA-G350Full access to u-blox positioning chips and modules is available through adedicated DDC (I2C) interface. A single serial port from any host processor cancontrol both the cellular module and the positioning chips / modules.For more details, see the GNSS implementation application note [3].AssistNow SoftwareSARA-G340 /SARA-G350Embedded AssistNow Online and AssistNow Offline clients to provide fulldeveloped to provide better GNSS performance and faster Time-to-First-Fix.The clients can be enabled / disabled with an AT command.CellLocate SARA-G340 /SARA-G350Enables the estimation of device position based on the parameters of the mobilenetwork cells visible to the specific device based on the CellLocate database: Normal scan: parameters of the visible home network cells are only sent Deep scan: parameters of all surrounding cells of all mobile operators are sentCellLocate is implemented using a set of AT commands for CellLocate serviceconfiguration and position request.Hybrid PositioningSARA-G340 /SARA-G350Provides the module’s current position using a u-blox positioning chip or moduleor the estimated position from CellLocate , depending on which positioningmethod provides the best and fastest solution according to the userconfiguration.Hybrid positioning is implemented through a set of AT commands that allow theconfiguration and the position request.Firmware update Over ATcommands (FOAT)AllFirmware module upgrade over the UART interface using AT command.BIP 9SARA-G340 /SARA-G350Bearer Independent Protocol for Over-the-Air SIM provisioning. The datatransfer to/from the SIM uses either an already active PDP context or a new PDPcontext established with the APN provided by the SIM card.In-Band modemSARA-G340 /SARA-G350In-Band modem solution for eCall and ERA-GLONASS emergency callapplications over cellular networks implemented according to the 3GPP TS26.267 specification [12].When activated, the in-vehicle eCall / ERA-GLONASS system (IVS) creates anemergency call carrying both voice and data (including vehicle position data)directly to the nearest Public Safety Answering Point (PSAP) to determinewhether rescue services should be dispatched to the known position.DTMF decoderSARA-G340 /SARA-G350During a voice call, the Dual-Tone Multi-Frequency detector analyses the RXspeech (coming from remote party). The detected DTMF symbols can be outputvia related URC.For more details, see the UDTMFD AT command.89FTPS and HTTPS supported by “01” product versions onwardsSupported by “02” product versions onwardsUBX-13000993 - R24C1-PublicFunctional descriptionPage 9 of 47
SARA-G3 series - Data sheetFeatureModuleDescriptionAutomatic selection ofauthentication type 9SARA-G340 /SARA-G350Automatic selection of authentication type during PDP context activation. Themodule will sequentially try different authentication protocols (none/CHAP/PAP)until the authentication succeeds.The feature can be enabled through the UPSD and UAUTHREQ ATcommands.Signal quality report for PScalls 9SARA-G340 /SARA-G350The quality of the GPRS UL and/or DL connection is returned by the AT CSQcommand.Network Friendly Mode 9SARA-G340 /SARA-G350When the Network Friendly Mode is enabled, the module reacts to servicerequest denials by using time-spaced, randomized or delayed retry schemesaccording to GSMA IoT Device Connection Efficiency Guidelines [13].The feature can be enabled through the UNFM, UNFMCONF, URPM ATcommands.Smart TemperatureSupervisorSARA-G340 /SARA-G350Constant monitoring of the module board temperature: Warning notification when the temperature approaches an upper or lowerpredefined threshold Shutdown notified and forced when the temperature value is outside thespecified range (shutdown suspended in case of an emergency call inprogress)The Smart Temperature Supervisor feature can be enabled or disabled throughan AT command (see the u-blox AT commands manual [1], USTS ATcommand)The sensor measures board temperature inside the shields, which can differfrom ambient temperature.Power savingAllThe power saving configuration is by default disabled, but it can be configuredusing an AT command. When power saving is enabled, the module automaticallyenters the low power idle-mode whenever possible, reducing currentconsumption.During idle-mode, the module processor core runs with the RTC 32 kHzreference clock, which is generated by: The internal 32 kH
Product name Type number Modem version Application version PCN reference Product status SARA-G300 SARA-G300-00S-01 08.58 A01.01 UBX-16010060 Obsolete SARA-G310 SARA-G310-00S-01 08.58 A01.01 UBX-16010060 Obsolete . Reading (AMR), Remote Monitoring Automation and Control (RMAC), surveillance and security, eCall,
