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SIM900A RS232 GSM Modem

  • Stock: 10
  • SKU: 2392 | DAB340
  • Rs. 990.33 (inc GST)
    Rs.839.26 + GST

    Qty :

  • Quantity Pricing (inc GST)

    3 + 968.19 7 + 946.07 10 + 923.93 20 + 901.79

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.

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

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