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SIM900A RS232 GSM Modem

  • Stock: 1

    Availability: InStock priceValidUntil: 2026-06-27

  • SKU: 2392 | DAB340

Availability: InStock priceValidUntil: 2026-06-27

  • Rs. 990.33 (inc GST)
    Rs.839.26 + GST

    Qty :

GST Invoice: Available for all purchases; eligible for input tax credit.

Delivery: 2–8 days across India. No MOQ required.

Bulk Orders: Need a larger quantity or item not in stock? Email: dnatechindia [at] gmail.com

Import Service: We import a wide range of electronic components on request.

SIM900A GSM Modem with RS232 Interface

SIM900A GSM Modem for communication with RS232 output, Quad-Band frequencies, and versatile input voltage range.

The SIM900A GSM Modem with RS232 Interface is designed for reliable communication. It operates on Quad-Band frequencies of 850/900/1800/1900 MHz, making it suitable for various applications in India. This modem features an RS232 output, allowing direct connection to your PC or micro-controller using a MAX232 IC. It supports AT commands for easy control and has a power supply range of 5V to 12V DC or AC.

With a built-in TCP/IP protocol stack, the SIM900A GSM Modem enables internet data transfer over GPRS. The modem operates effectively in temperatures ranging from -20 °C to +55 °C, ensuring robust performance in diverse environments. The provision for TTL output enhances its compatibility with micro-controllers, making it a versatile choice for developers.

This modem is ideal for various applications, including remote monitoring, IoT projects, and data logging. Explore the capabilities of the SIM900A GSM Modem to enhance your electronic projects in India. Whether for personal or commercial use, this modem is a reliable solution for GSM communication.

Explore the range of products from GSM-GPS at DNA. The SIM900A GSM Modem is perfect for your connectivity needs. Check other "GSM-GPS" that we have in stock.

At DNA, we cater to Indian electronics buyers. If you can't find certain components, let us know. We can import items as needed and support both retail and bulk orders. Consider checking related products like Nextion Display, Inductor, Microcontroller, Power Supply, Development Module, or Sensor. Contact Us.

Features of SIM900A GSM Modem with RS232 Interface

  • Quad-Band GSM/GPRS
  • RS232 interface
  • Configurable baud rate
  • SMA connector with GSM antenna
  • Built-in network status LED

Specification of SIM900A GSM Modem with RS232 Interface

  • Quad-Band 850/900/1800/1900 MHz
  • GPRS multi-slot class 10/8
  • Class 4 (2 W @ 900 MHz)
  • Control via AT commands
  • Supply voltage range: 3.4V to 4.5V
  • Low power consumption: 1.0mA (sleep mode)
  • Operation temperature: -40°C to +85 °C

Applications of SIM900A GSM Modem with RS232 Interface

  • Remote monitoring
  • IoT projects
  • Data logging
  • SMS control
  • Wireless communication

Package Includes

  • 1 X SIM900A GSM Modem with RS232 Interface
Extra Information
Country of Origin China
Imported By ElectroSource Private Limited

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Frequently Asked Questions

Do you provide a GST bills?
Yes we provide GST Bill by the name of DNA Solutions. You will receive a GST compliant invoice for your records. You can take GST benefit.
What is your return / replacement policy?
Returns/replacements depend on the item type and condition. If there’s an issue, contact us with photos/videos and we’ll guide you as per policy.
Do you offer same-day / next-day delivery in Nashik?
If feasible, yes. Send: item list + quantity + delivery PIN code, and we’ll confirm availability, courier option, and cost.
I forgot to add GST number at time of placing order, but I need GST Invoice in my firms name?
You can contact us via Contact us page and send your order details and GST number we will send you updated Invoice soft copy.
What if a product is out of stock — can you arrange it?
Yes — contact us with the part number and required quantity. We’ll check availability or sourcing options.
Can you combine multiple orders into one shipment?
Often yes — if the first order hasn’t shipped. Send both order numbers and we’ll confirm.

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