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SIM900A RS232 GSM Modem

  • Stock: Out Of Stock
  • SKU: 2392 | DAB340
  • Rs. 990.33 (inc GST)
    Rs.839.26 + GST

    Qty :

GST Invoice on all Purchase. So you will be eligible to take input tax credit.

IF component not in Stock or require more quantity or want to buy in bulk e-mail us your requirements on: dnatechindia "at" gmail.com.

Shipping : Due to Covid-19 situation delivery will be affected. Delivery period due to covid-19 issue will be from 4 - 12 days depending upon your location.

SIM900A RS232 GSM Modem

This is a low cost SIM900A GSM Modem with RS232 output.

It works on 12Volt AC as well as DC Supply. It is a Quad Band GSM/GPRS engine and works on frequencies  850/ 900/ 1800/ 1900 MHz. The modem has RS232 output so you can directly connect to PC's com port or to any micro-controller via MAX232 IC. 

You can communicate with this modem using AT Commands. It also has provision for TTL output so you also connect it directly to your micro-controller via serial port.

We have Various sizes of GPS-GSM Module. Check out our complete collection of GPS-GSM Module.


If you are in Nashik you can buy this Electronic Component at our local shop at New CBS, Nashik or you can place order online and get it delivered at your doorstep anywhere in India.

Features of SIM900 GSM Modem

  • Quad-Band GSM/GPRS  850/ 900/ 1800/ 1900 MHz  
  • RS232 interface for direct communication with computer or MCU kit
  • Configurable baud rate
  • SMA connector with GSM Antenna. 
  • SIM Card holder. 
  • Built in Network Status LED  
  • Inbuilt Powerful TCP/IP protocol stack for internet data transfer over GPRS.
  • Normal operation temperature: -20 °C to +55 °C
  • Input Voltage: 5V-12V DC

SIM900 GSM Module Specification

  • Quad-Band 850/ 900/ 1800/ 1900 MHz
  • GPRS multi-slot class 10/8
  • GPRS mobile station class B
  • Class 4 (2 W @ 900 MHz)
  • Class 1 (1 W @ 1800MHz)
  • Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
  • Supply voltage range : 3.4V to 4.5V
  • Low power consumption: 1.0mA(sleep mode)
  • Operation temperature: -40°C to +85 °C

Extra Information
Country of Origin China
Imported By ElectroSource Private Limited

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