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Holding Current Ih Max : 75mA
Alkaline Battery (1-Pack) 1
Synchronous reversible 4-bit binary counting
GPRS GSM GPS Shield based on the SIM808 GSM GPRS GPS all-in-one cellular phone module
GSM-GPRS Arduino SIM900A Regulator Holding Current Ih Max :Introduction : GSM GPRS MODULE is an ultra compact and reliable wireless module. It is based on SIM900A 4 Frequency GPRS module. The GSM GPRS Shield is configured and controlled via its UART using simple AT commands. Module have two set power supply interface VCC5 5V power supply, VCC4 interface, 3. 5 4. 5V power supply, optional power on self starting (default) and control start. The MODULE allows you to achieve this via any of the three methods:
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