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GSM Modem SIM 900A Board

SKU: 5631

1) Quad-band 850/900/1800/1900MHz.
2) GPRS class 2/10.
3) Input Voltage : 9V-12V DC.
4) Control via AT commands (3GPP TS 27.007, 27.005 and SIMCOM enhanced AT command set).
5) Configurable baud rate.
6) Built-in SIM Card holder.
7) Built-in Network Status LED.

    ₹ 861.48 861.48 INR ₹ 861.48 (Incl. GST)

    ₹ 730.07

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    SIM900A Modem is built with Dual Band GSM based SIM900A modem from SIMCOM. It works on frequencies 900/ 1800 MHz. SIM900A can search these two bands automatically. The frequency bands can also be set by AT Commands. The baud rate is configurable from 1200-115200 through AT command. The GSM Modem is having internal TCP/IP stack to enable you to connect with internet SIM900A is an ultra compact wireless module. This is a complete GSM module in a SMT type and crafted with a very powerful single-chip processor integrating AMR926EJ-S core, allowing you to benefit from small dimensions.


    • Voltage Input: 6V to 12V DC INPUT, On Board Voltage Regulator
    • INTERFACE: Voice Communication port, RS232, EXTERNAL TTL INTERFACE
    • DATA Tx/ Rx: GSM/GPRS 900/1800/1900 Mhz for VOICE, SMS, DATA, FAX
    • Chipset: SIM 900
    • Compatible with ARDUINO, RASPBERRY PI, ARM, AVR, PIC, 8051. - Can also be directly connected to computer via Serial Port (Use GSM Tester or write your own Software)
    • Suited for GSM based microcontroller projects (better than sim300 and other gsm modems)
    • Option for connecting MIC and SPEAKER directly to GSM MODEM for calls (LINE IN also available) Supports communication through with DB9 Connector, TTL Pins and I2C Pins
    • Based upon LM2596 not on LM317
    • Power supply 9V -12V


    • Remote Data Monitor and Control.

    • Water, gas, and oil flow metering.

    • AMR (automatic meter reading).

    • Power station monitoring and control.

    • Remote POS (point of sale) terminals.

    • Traffic signals monitor and control.

    • Fleet management.

    • Power distribution network supervision.

    Package Include:

    1 x GSM Modem SIM 900A Board.

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