Cellular SIM900A (GPRS 3G /GSM 2G) Module

Cellular SIM900A (GPRS 3G /GSM 2G) Module

  • Product Code: SIM900A
  • Availability: Pre-Order

  • The size of the module is 49*50, all the new and original device.
  • The serial port circuit: support for 3.3V single chip microcomputer. TTL serial port support
  • 3.3 and 5V single chip microcomputer.
  • The SIM card circuit to increase the SMF05C ESD chip.
  • Antenna circuit: guarantee short and straight, so as to ensure the signal strength.
  • Two power supply interface: VCC5, 5V DC above 1A. Computer 5V power supply can be early computer USB. DC long data circuit over larger recommended 5V1A. VCC4, 3.5--4.5V power supply, ibid., suitable for lithium battery.

Onboard Resources:

  • Serial port circuit(with protection)
  • Antenna interface circuit(SMA bend female port)
  • SIM card circuit(flip SIM slot)
  • 4*3.5 fixture hole 4pcs
  • SIM900A serial port output terminal


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Techmaze store is part of AlQanaha Trading Company (QTC), we sell electrical and electronic components compatible with Arduino and Raspberry pi boards with the best prices, for hobbyist and students.