---
product_id: 81856733
title: "UNIVERSAL GSM SIM900A GSM MODEM Module with Sma Antenna(GSM Module) - CALL SMS GPRS facility - MIC input, LINE input & SPEAKER output pins - MAXRS232, TTL & I2C Communication Colour May Vary"
brand: "delson electronics"
price: "28724CFA"
currency: XOF
in_stock: true
url: https://www.desertcart.sn/products/81856733-universal-gsm-sim900a-gsm-modem-module-with-sma-antenna-gsm
store_origin: SN
region: Senegal
---

# RS232, TTL, I2C GSM 900/1800 MHz 12V 1-2A power UNIVERSAL GSM SIM900A GSM MODEM Module with Sma Antenna(GSM Module) - CALL SMS GPRS facility - MIC input, LINE input & SPEAKER output pins - MAXRS232, TTL & I2C Communication Colour May Vary

**Brand:** delson electronics
**Price:** 28724CFA
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Projects with GSM Power!

## Quick Answers

- **What is this?** UNIVERSAL GSM SIM900A GSM MODEM Module with Sma Antenna(GSM Module) - CALL SMS GPRS facility - MIC input, LINE input & SPEAKER output pins - MAXRS232, TTL & I2C Communication Colour May Vary by delson electronics
- **How much does it cost?** 28724CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/81856733-universal-gsm-sim900a-gsm-modem-module-with-sma-antenna-gsm)

## Best For

- delson electronics enthusiasts

## Why This Product

- Trusted delson electronics brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **📞 Call & SMS Ready:** Enjoy direct MIC and SPEAKER connections for effortless communication.
- • **🌍 Ideal for Pro Projects:** Perfect for GSM-based microcontroller projects—outperforming competitors!
- • **⚡ High-Speed Data Transfer:** Experience lightning-fast data rates of 115200 bps.
- • **🔧 Versatile Compatibility:** Seamlessly integrates with Arduino, Raspberry Pi, and more!
- • **🔗 Multiple Communication Interfaces:** Connect via RS232, TTL, or I2C for ultimate flexibility.

## Overview

The UNIVERSAL GSM SIM900A GSM MODEM Module is a high-performance communication device designed for professional electronic and embedded programmers. Operating on frequencies of 900/1800 MHz, it supports CALL, SMS, and GPRS functionalities. With compatibility for various platforms like Arduino and Raspberry Pi, this module offers multiple communication interfaces including RS232, TTL, and I2C, making it an essential tool for advanced microcontroller projects.

## Description

Full description not available

## Features

- Recommended Only for the people Who have Knowledge(Professional electronic & Embedded programmer) to operate this best quality frequencies 900/ 1800 MHz.Compatible with ARDUINO, RASPBERRY PI, ARM, AVR, PIC, 8051, etc. - Can also be directly connected to computer via Serial Port (Use GSM Tester or write your own Software) Power supply 12V 1amp to 2 amps max
- NOTE:Use in the area of full signal strength.Best suited for GSM based Microcontroller Projects (better than SIM300 and other GSM Modems)
- Option for connecting MIC and SPEAKER directly to GSM MODEM for calls (LINE IN also available)
- Supports communication through RS232 with DB9 Connector, TTL Pins & I2C Pins
- CALL SMS GPRS facility - MIC input, LINE input & SPEAKER output pins, power supply 12v 2amps

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Delson Electronics |
| Manufacturer | Delson Electronics |
| Model number | Gsm Sim 900A module simcom |
| Colour | Blue |
| Modem Type | Digital |
| Number of Memory Sticks | 1 |
| Item Weight | 81.6 g |
| Package Dimensions | 13.3 x 9.4 x 3.2 cm; 81.6 g |
| Item model number | Gsm Sim 900A module simcom |
| Connectivity Technology | Serial |
| Data Transfer Rate | 1.152E+5 Bits Per Second |
| Compatible Device | Arduino, Raspberry Pi, Personal Computer, Microcontroller |
| Are batteries included? | No |

## Product Details

- **Brand:** Delson Electronics
- **Connectivity Technology:** Serial
- **Compatible Devices:** Arduino, Raspberry Pi, Personal Computer, Microcontroller
- **Colour:** Blue
- **Data Transfer Rate:** 1.152E+5 Bits Per Second

## Images

![UNIVERSAL GSM SIM900A GSM MODEM Module with Sma Antenna(GSM Module) - CALL SMS GPRS facility - MIC input, LINE input & SPEAKER output pins - MAXRS232, TTL & I2C Communication Colour May Vary - Image 1](https://m.media-amazon.com/images/I/91PZYKnYwQL.jpg)

## Frequently Bought Together

- UNIVERSAL GSM SIM900A GSM MODEM Module with Sma Antenna(GSM Module) - CALL SMS GPRS facility - MIC input, LINE input & SPEAKER output pins - MAXRS232, TTL & I2C Communication Colour May Vary
- ApTechDeals Jumper Wires Male to Male, Male to Female, Female to Female/breadboard jumper wires (40+40+40)
- RoboCraze UNO R3 SMD Board compatible with Arduino | Development Board with USB cable

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sn/products/81856733-universal-gsm-sim900a-gsm-modem-module-with-sma-antenna-gsm](https://www.desertcart.sn/products/81856733-universal-gsm-sim900a-gsm-modem-module-with-sma-antenna-gsm)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-13*