Ai Thinker A9 GPRS Series Module can be used in a wide range of IoT applications and is ideal for IoT applications for home automation, industrial wireless control, wearable electronics, wireless location sensing devices, wireless location system signals, and other IoT applications.SpecificationsModel NameA9PackageSMD54Frenquency850/900/1800/1900MHzGPRS Multi-slotClass 12GPRS Mobile StationClass BPower supply3.5~4.2V typical value 4.0VCurrent1.14mA@DRX=51.03mA@DRX=9AT command3GPP TS 27.007, 27.005GPRS Class 12Max 85.6kbps (Up & Down)Coding schemeCS 1,2, 3, 4PBCCHsupportSIM Card1.8V/3VUART3pcs (including firmware upgrade serial port)ˈbaud rate support 2400~1843200bps, default115200bpsAntennaPadCommunication InterfaceI2C,USB,UART,SDMMC,GPIO,ADCWorking Temperature-20°C ~ 75°CLength (mm)19.2Width (mm)18Height (mm)2.5Weight (gm)3Shipment Weight0.03 kgFeatures:Supports GSM/ GPRS frequency: 800/ 900/ 1800/ 1900 MHz.Supports voice calls and SMS messages.The data rate is 85.6 KbpsSupports firmware upgrade via serial portSupport PBCCHSupports 3 serial ports, one download serial port, one AT command port.Working temperature: -30 ℃-80℃Working voltage: 3.5v – 4.2v (it’s best to power by 4v)Power voltage: >3.5 VoltsLow power consumption:Sensitivity GPIO level: 2.8 voltsPackage includes:1 x Ai Thinker A9 GPRS Series Module
