SIM808 Module GPS GSM GPRS Quad Band Development Board

SIM808 Module GPS GSM GPRS Quad band Development Board ForFile download http files banggood com 2016 06 SKU405361 SIM808 rarProgram provided STC12 15 89 STM32 series Make a callAnswer the phoneSend text format SMSSend Chinese SMSReceive SMS control LED lightGPRS TCP program dynamic IP GPRS TCP program domain name GPRS UDP program dynamic IP GPRS UDP program domain name GPRS transparent transmission mode programComprehensive functional demo program STM32 Comprehensive functional demo program STC12 Comprehensive functional demo program STC15 bluetooth test program PPS service bluetooth serial bluetooth phone control LED lightGPS test programFeature Power supply 5 18VComputer debugging USB TTLIt contains a set of cell phone lithium battery power connectorIt contains three LED indicators easy debuggingIt contains a Micro SIM card holderWith a set TTL serial port compatible 2 85V 3 3V 5v systemIt supports text messaging phone GPRS data GPS HTTP protocol DTMF decoder MMS recording function etc Package includes 1 x SIM808 Module1 SIM card installation diagram2 Lithium battery interface3 SIM card protection IC4 Micro SIM card5 Other control interface6 Mic voice terminal7 USB interface for upgrade use only the default is not soldering 8 Tantalum capacitor9 TTL output high level selection default 5V 10 TTL level matching circuit11 GSM IPX antenna interface12 5V power supply and serial interface13 TVS pressure pipe14 bluetooth antenna interface the def