GPRS SIM900 GSM Development Board Black

GPRS SIM900 GSM Development Board Black

GPRS SIM900 GSM Development board Shield for uno r3

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GPRS SIM900 GSM Development board Shield for uno r3


HOW TO USE THIS MODULE? Plz refer to this Instruction video


Fully compatible with uno and Mega; Free serial port connecting, you can select Hardware Serial port(D0/D1) control or Software Serialport(D2/D3) control it.The GPRS Shield is configured and controlled via its UART using simple AT commands.


SIM900 all pins breakout. Not just the UART port and debug port be layout, but also all pins on SIM900 be layout to the 2.54 standard pitch;Super capacitor power supply for the RTC.
EFCom not only can use the button for power on , but also can use the digital pin of Arduino to power on and reset the SIM900 module.


Quad-Band 850/ 900/ 1800/ 1900 MHz Class 4 (2 W 850/ 900 MHz); Class 1 (1 W 1800/1900MHz);GPRS multi-slot class 10/8; GPRS mobile station class B;Compliant to GSM phase 2/2+.







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