Description

  • Arduino, STM32 AVR MCU compatible
  • 3.5mm speech and Mike interface
  • Dual frequency 900/ 1800MHz, GPRS multi-slot class 10/8, GPRS mobile station class B
  • Power supply range: Voltage is 3.7… 4.2V or 4.6-5.2V; current is around 1A
  • Low power consumption : 1.5mA (sleep mode)
  • Communication interface : The TTL level serial interface compatible 2.85, 3.3, 5V MCU

 

Help Article

ආඩුඊනෝ ප්‍රෝග්‍රෑමිං Part 14 – GPRS GSM Module – SIM900A

http://arduinopanthiya.blogspot.com/p/part-14-gsm-module.html?m=1

https://www.instructables.com/id/Control-Relay-With-Arduino-and-Sim900A-by-Using-Mo-1/