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GSM GPRS Modem sim 900A USB

GSM GPRS Modem sim 900A USB

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Product Description

The GSM/GPRS Modem USB uses SIM900A based dual band 1800/1900MHz GSM / GPRS modem. It can be connected to USB directly or to a microcontroller UART using TTL levels. Through USB, the modem can be operated from a computer to send/receive calls, messages, etc.

SIM900A Modem is built with Dual Band GSM/GPRS based SIM900A modem from SIMCOM. It works on frequencies 1800/1900MHz. SIM900A can search these 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/GPRS Modem is having internal TCP/IP stack to enable you to connect with internet via GPRS.

SIM900A is an ultra-compact and reliable wireless module. This is a complete GSM/GPRS module in a SMT type and designed with a very powerful single-chip processor integrating AMR926EJ-S core, allowing you to benefit from small dimensions and cost-effective solutions.

The modem consists of all the external circuit required to start experimenting with the SIM900A module like the power regulation, external antenna, SIM Holder, etc.

Can accept commands from microcontroller UART.

Serial TTL interface for interface to microcontrollers.

On board SMA connector with GSM antenna.

Can accept commands through Hyper Terminal.

This Product Includes :


2 dbi Rubber duck antenna

USB Cable

USB Driver (FT232R)

Product Features

  • •Accepts AT commands through On board USB serial port.
  • •Provides serial TTL interface for easy and direct interface to micro controllers, Aurdino etc..
  • •Speaker and Microphone sockets for voice Communication.
  • •On board Power, Network, Ring status LED's for indication.
  • •Can do basic functions which can be done via normal phone like calling, send sms, access data through GPRS etc

Customer Reviews

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Overall Rating 4.7 out of 5 stars
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Most Helpful Reviews
  1.  good quality product five star 26 December, 2014 On
    this product is awesome for GSM GPRS based project development, come with USB support gives complete freedom to work anywhere with your laptop or pc.
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