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  • Dual-band connectivity: Works on both EGSM 900MHz and DCS 1800MHz frequencies for seamless network connection.
  • Versatile applications: Suitable for cars, robots, servers, and IoT projects, with compact size for adaptability.
  • Easy control: Standard AT commands for simple interfacing with various controllers and adjustable baud rate.
  • Power-efficient: Low power consumption (1.5mA in sleep mode) makes it ideal for energy-conscious projects.
  • Efficient data transfer: Supports GPRS multi-slot class 10/8 with various coding schemes for optimal data transmission.
  • Wide operating range: Works in temperatures from -30°C to +80°C, allowing for use in diverse climates.


SIM900A GSM/GPRS Module is the ultimate solution for seamless network connectivity in your projects. This dual-band module, operating on EGSM 900MHz and DCS 1800MHz frequencies, empowers your devices with versatile communication capabilities. Ideal for applications in automobiles, robotics, servers, and IoT projects, it measures 12.1 x 10.6 x 0.2 cm, providing a compact yet powerful solution.

The module supports standard AT commands, offering easy integration with popular controllers like Arduino, AVR, and Raspberry Pi. With an adjustable baud-rate from 1200 to 115200 bps, it ensures flexible and efficient communication.

The low power consumption in SLEEP mode, only 1.5mA, makes it an energy-efficient choice for your projects. Designed with GPRS multi-slot class 10/ class 8 support, this module facilitates efficient data transmission with coding schemes CS-1 to CS-4. Its wide operating range (-30ºC to +80ºC) ensures reliability in various environmental conditions.

Crafted with quality materials, this module guarantees durability and performance, available in multiple color/size variations. Made to solve your connectivity challenges, SIM900A GSM/GPRS Module is the go-to choice for professionals and hobbyists alike. Crafted with precision and reliability, it promises to elevate your projects to new heights.


  • Automobiles,
  • Robotics,
  • Servers,
  • IoT Projects

Package Includes:

  • 1 x SIM900A GSM/GPRS Module


Frequency Bands Dual-band: EGSM 900MHz, DCS 1800MHz
Dimensions 12.1 x 10.6 x 0.2 cm
Controller Interface UART (Universal Asynchronous Receiver-Transmitter)
Baud Rate Adjustable from 1200 to 115200 bps
Power Supply Voltage 3.4V – 4.5V
Power Saving Mode 1.5mA consumption in SLEEP mode
GPRS Connectivity Multi-slot class 10/ class 8 (optional)
GPRS Coding Schemes CS-1, CS-2, CS-3, CS-4
Transmitting Power Class 4 (2W) at EGSM 900, Class 1 (1W) at DCS 1800
Operating Temperature Range -30ºC to +80ºC
Storage Temperature Range -5ºC to +90ºC

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

For more details, please check our Shipping and Return Policy

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