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SIM900A GSM MODEM MODULE Compatible with Arduino,AVR,PIC,RaspberryPi

  • Best for interfacing with any microcontroller- 8051, AVR, PIC, ARM, RaspberryPI, Arduino etc.or with a computer.

  • Most common AT Commands followed.

  • SIM900A - GSM/GPRS module Designed for global market, SIM900A is a dual-band GSM/GPRS module.

  • SIM900A features GPRS multi-slot class 12/ class 10 (optional) and supports the GPRS coding schemes CS-1, CS-2, CS-3 and CS-4.

Availability: In stock

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  • SIM900A Dual Band GSM Module
  • Voltage Supply Required- 9VDC to 12VDC with atleast 2A Peak Current Capability
  • GSM- Speaker, Mic, TTL Rx and TTL Tx and DB9 Connector Based RS232 Outputs
  • External Finger type antenna
  • Switching Regulator Based Power Supply


  • Coding schemes: CS-1, CS-2, CS-3, CS-4 Tx power: Class 4 (2W), Class 1 (1W)
  • Small package: 23 * 23 * 3mm
  • Power supply voltage: 3.4 - 4.4V
  • Low power: down to 1mA in sleep mode
  • TCP/IP AT firmware
  • Operating temperature: -40C to +85C
  • Audio channels which include a microphone input and a receiver output.
  • One SIM card interface.


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