SIM900A GPRS GSM Module with Antenna
Add robust cellular communication to your projects with the highly popular SIM900A GPRS GSM Module. This full-featured board is built around the reliable SIM900A chip, allowing your microcontroller projects to connect to the 2G mobile network to send SMS, make voice calls, and transfer data over GPRS.
This module is an excellent choice for projects that require a stable and versatile cellular link. It includes an onboard RS232 interface via a MAX232 chip, allowing it to be connected directly to a computer’s serial port for easy testing and configuration using standard AT commands. The board also provides standard TTL UART pins for direct connection to microcontrollers like Arduino, Raspberry Pi, and more.
Featuring a standard SIM card holder and a robust SMA connector for the included antenna, this module is designed for easy integration and reliable performance in a wide range of IoT and communication projects.
Key Features:
- Chip: SIMCom SIM900A
- Network Support: Dual-band GSM/GPRS (900/1800 MHz)
- Core Functions: SMS (Send/Receive), Voice Calls, GPRS Data
- Dual Interface: RS232 (via MAX232) and TTL UART for flexible connectivity
- Operating Voltage: 5V DC (with onboard regulator)
- SIM Card Slot: Full-Size SIM Holder
- Antenna Connector: SMA connector with included “Rubber Ducky” Antenna
Applications:
The SIM900A module is ideal for a wide range of applications, including SMS-based alert systems, remote data logging, industrial automation (M2M), vehicle tracking systems, home automation, and other IoT projects requiring a reliable cellular connection.
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