The SIM900A AE GSM GPRS Module With SMA Antenna gives project the ability to send SMS (Short Message Service), make calls, and transfer data over a mobile network. It runs on GSM (Global System for Mobile Communications) 900 and 1800 MHz bands, which are the two most common bands active across India. The SIM900A AE GSM GPRS Module connects to your microcontroller through a UART (Universal Asynchronous Receiver Transmitter) serial interface using AT commands. Power it from a 9 to 12V DC supply and insert a standard SIM card to get started.
The sim900a ae gsm module pinout exposes RS232, UART, and I2C interfaces on the same board, which gives you more wiring options depending on your controller. One non-obvious detail — GSM modules draw sudden current spikes during network registration and call setup. A weak or shared power supply causes resets at this point. Use a dedicated adapter rated above the module’s peak draw. The module dimensions are 24×24×2.5mm, so space is not a concern, but thermal management matters if the module runs continuously in a closed enclosure. Operating temperature goes as low as -40°C, which is rated for outdoor deployments, but the power supply must also be rated for that range.
The sim900a gsm module with antenna connects to Arduino, STM32, Raspberry Pi, and similar boards through serial pins. Students use it for SMS alert projects and attendance systems. Engineers deploy it in remote monitoring and vehicle tracking. To start quickly, connect the UART TX and RX pins to your controller, send the AT command over serial at 9600 baud, and confirm with an response. Provide by StemVolt, this module is well-suited for engineers developing industrial-grade 2G GSM systems and practical cellular embedded electronics projects.
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Features:
- SIMCom SIM900A chipset with official AT command and firmware support
- Voice SMS GPRS TCP/IP and internet via GPRS all supported
- RS232 UART I2C interfaces for PLC MCU and serial device integration
- Standard SIM card holder accepts all standard-size SIM cards directly
- SMA antenna port swaps stub rubber duck and magnetic mount antennas
Technical specifications:
Applications:
- SIM900A AE Module used for industrial GSM SMS alert and GPRS build
- College project uses SIM900A AE GSM GPRS Module for AT command demo
- Remote meter uses sim900a gsm gprs module with rs232 interface for reporting
- PLC integration uses sim900a gsm module pinout for serial RS232 gateway
- Outdoor node uses sim900a gsm module with antenna for field deployment
Package includes:
- 1 x SIM900A AE GSM GPRS Module With SMA Antenna
Arun Guraiya –
Multiple payment options made ordering convenient, and helpful staff provided prompt guidance during project setup and testing.
Gopal Bhardwaj –
Express delivery and well sealed packaging ensured the module arrived safely and ready for immediate use
Shikha Dharwa –
Authentic product received
Manu Sethi –
This module with RS232 interface provides reliable GSM communication and stable performance for robotics, automation, and embedded system projects
Deepa Modani –
Best purchase ever