![GMS GPRS SIM800C development board GMS GPRS SIM800C development board](https://mivarom.de/3592-home_default/GMS-GPRS-SIM800C-development-board.jpg)
![GMS GPRS SIM800C development board GMS GPRS SIM800C development board](https://mivarom.de/3592-home_default/GMS-GPRS-SIM800C-development-board.jpg)
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;< br style="color:#333333;font-family:Arial, Helvetica, 'sans-senif';font-size:16px;" />Reserved headset and microphone interface;
Support TTS DTMF function;
Board size: 40.9*51.3mm
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