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GSM GPRS Module SIM 900A - India


GSM GPRS Module SIM 900A – India

GSM Module 900A is the most popular GSM module among electronics students. Easy to integrate with Arduino made it appear at every other circuit.

Buy online in India the GSM Module SIM 900A with fast shipping at Circuit Uncle. Order multiple products and save per-item shipping cost within India. Local Pickup is also available for Delhi-NCR.

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At Circuit Uncle, you can buy GSM GPRS Module SIM 900A online in India, with fast shipping at your doorsteps. SIM900A is a dual-band GSM GPRS module which compact and reliable. It works on frequencies EGSM 900MHz and DCS 1800MHz. The frequency bands are set by specified AT Commands and the baud rate ranges from 1200-115200 through AT command. SIM900A has an inbuilt TCP/IP stack and supports GPRS multi-slot class 10/8.  The communication with this module is done through UART or RS232 Interface. The data is sent to the module or received from the module through the UART interface. Thus it is very easy to establish communication with the Arduino Board.

If you are using it with an unregulated power supply the onboard Regulated Power supply (through 29302WU IC) will help you. GSM GPRS Module SIM 900A can make audio calls, SMS, Read SMS, attend the incoming calls and internet, etc through simple AT commands. This module require a SIM card and supports every GSM operator of India.

Hardware connections for the module

  •  The module has 6 pins in which two pins for Vcc and Gnd (Ground) and the rest are 3volt Rx & Tx and 5volt Rx & Tx.

Applications of GSM GPRS Module SIM900A

  • Cellular Communication
  • Robotic communication
  • Mobile Phones and accessories
  • Computer Peripherals
  • Automobile
  • Industrial automation.
  • Home automation.
  • Health monitoring.
  • IVRS.
  • Bulk SMS sending.

GSM GPRS Module SIM 900A Features:-

  • Dual-Band 900/ 1800 MHz
  • Class 4 (2 W @ 900 MHz), Class 1 (1 W @ 1800MHz)
  • Control via AT commands (GSM and SIMCOM enhanced AT Commands)
  • Operation temperature: -40°C to +85 °C
  • Fax: Group 3, Class 1
  • Data: GPRS class 10: max. 85.6 kbps (downlink)
  • PBCCH, USSD support
  • SMS
  • Voice
  • MMS

GSM GPRS Module  SIM 900A (SIMCOMM) Datasheet

One can also try our more compact GSM GPRS Module 800L

Additional information


15W, 25W, 60W

1 review for GSM GPRS Module SIM 900A – India

  1. Mishra M

    It is compact and lightweight. Just insert the sim card and program it well, and make your awesome GSM based project.

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