Introduction - If you have any usage issues, please Google them yourself
SIM300 main function has: voice messaging, GPRS network data sending and receiving MMS transceiver SIM300 module is mainly used in the field of communications, such as mobile phone remote data monitoring SMS alerts sent GPRS MODEN, for example, if you want to design a mobile phone, then the internal main component should include communication module SIM300 center processor MCU microphone receiver display keyboard