WISMO228GSM/GPRS工业级无线通讯模块。它具有体积小，易用性强，内嵌TCP/IP协议栈，品质优良等特性。以极具竞争力的价格，推向M2M行业。 频段:GSM850/900/1800/1900MHz,CSD,SMS,FAX, GPRSclass10,顺从3GPP.信号灵敏度:-108dbm.全球认证:CE,GCF,ChinaRTE,R TTE,FCC,PTCRB,AT T.语音编码:HR,FR,EFR,AMR温度范围:-40-85度工作电压:3.2-4.8V功耗:36uA(off)/1.6mA(Idle)/205mA(connected)硬件接口:46PIN邮票口封装,1个语音,1个SPI, 1个ADC,1个RTC,1个BUZZER, 1个串口,3个GPIO,3个PWM.SIM卡接口:1.8和3V尺寸:25x25x2.8mm WISMO 228详细描述:MarketPositioningEntryLevelModem(QuadBand)RadioModemFeaturesBearersGSM,CSD,SMS,FAX,GPRSclass10RadioBandsQuad Band850/900/1800/1900ApprovalsCE,GCF,ChinaRTE,R TTENominalSensitivity850/900MHzRx1800/1900MHzRx850/900MHzTx1800/1900MHzTx-108dBm-107dBm33dBm 2dB(2W)at25 C30dBm 2dB(1W)at25 CIntellectualpropertyrights(IPR)indemnificationincluded CPUPerformancesProcessorARM926/DSPCoreFrequency156MHzCoreI/OVoltage3.2to4.8VAudioAnalogueaudio1DigitalAudio-CodecHR,FR,EFR,AMRQualityVDA2AEchoCancellation Telephony/Handset/Handsfreemode DTMFDecoder InterfacesUSB-UART1PWM3SPI1I2C1ADC1DAC1GPIO11TXBurstIndicatorYesRTCYesTCP/IP ATCommandSet3GPPTSJTAG-TxBurstIndicator SIMToolkitR99 Reset BuzzerOutput RF(Antenna) PWMYesSIM(1.8V 3V)YesPowerConsumptionPowersupply(Nominal3,6V)3,2min;4,8VmaxOffMode(Nom@VBATT:3.6V)36 AIdleMode(Paging9)1.3mAGSMAlarm36 AGSM(2W)/GPRScl.10214mA/369mAConnectedMode900MHz(TXPower33dBmatVbatt=3.6V)1800MHz(TXPower30dBmatVbatt=3.6V)205mAatpeak163mAatpeakEnvironmentalSpecificationsOperating/ClassA-30 Cto+75 COperating/ClassB-40 Cto+85 CStorage-40 Cto+85 CMiscellaneousPackagingLCCCastellation,1.5mmpitch,46SMTpadsWeight3.8gRoHS AccessoriesFWupdateoverUART DevelopmentKit