SIM900A GSM GPRS Module with RS232 Interface and SMA Antenna
SIM900A is an ultra compact and wireless module. The Modem is coming interface, which allows you connect PC as well as microcontroller with RS232 Chip(MAX232). It is suitable for SMS, Voice as well as DATA transfer application in M2M interface. SIM900A GSM GPRS module supports voice calls, SMS, and internet (GPRS) over 2G networks. Ideal for Arduino, Raspberry Pi, and other microcontroller-based IoT applications requiring wireless communication.
₹ 799
₹ 950
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| Made In : | India |
The SIM900A GSM GPRS Module is a reliable cellular communication module designed for IoT, embedded systems, and remote communication projects. It enables SMS sending/receiving, voice communication, and GPRS data transfer over GSM networks. With RS232 interface and SMA antenna support, it is easy to integrate with microcontrollers, PLCs, Arduino, and industrial systems.
This module is widely used in remote monitoring systems, smart automation, and GSM-based alert systems.
Key Features
- Quad-band GSM/GPRS module (SIM900A chipset)
- Supports SMS, voice calls, and GPRS data communication
- RS232 serial interface for easy integration
- External SMA antenna for improved signal strength
- AT command support for full control
- Stable and reliable GSM connectivity
- Compatible with Arduino, ESP32 (via UART), and PLC systems
- Low power consumption modes
- Ideal for IoT and remote monitoring applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Module | SIM900A GSM/GPRS |
| Network Bands | 850 / 900 / 1800 / 1900 MHz |
| Interface | RS232 / UART |
| Communication | SMS, Voice, GPRS Data |
| Voltage Supply | 5V DC (typical board level) |
| Antenna Type | SMA external antenna |
| SIM Support | Standard SIM card |
| Control | AT Command set |
| Data Rate | Up to 85.6 kbps (GPRS) |
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