Placa dezvoltare GMS GPRS SIM800C

Input voltage range 5V-18V DC;
Self-propelled SIM card slot design, support 2G / 3G / 4G card or small card;
Module will connected to the network automatically after you power on it;
Compatible with a variety of single-chip serial port;
Reserved headset and microphone interface;
Support TTS DTMF function;
Board size: 40.9*51.3mm