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Sim900a Arduino Gsm Module Not Approved By Pta



SIM900A Modem is built with Dual Band GSM/GPRS 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/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.

Approved GSM Module Link:

Sim900a Arduino Gsm Module Not Approved By Pta

Instructable Tutorial: 

SIM900A key features:

GSM Sim900A

GSM SIM900A Functional Diagram:

GSM Sim900A

The above figure shows a functional diagram of the SIM900A and illustrates the mainly functional parts:

  • The GSM baseband engine
  • Flash and SRAM
  • The GSM radio frequency part
  • The antenna interface
  • The Other interfaces

Package Includes:

  • 1x sim900a gsm module
  • 1x antenna
  • 1x power cable

Sim900a Arduino Gsm Module Not Approved By Pta

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