SIM800A GSM/GPRS Modem with RS232 & Bluetooth
Connect your industrial or hobbyist projects to the cellular network with this versatile and full-featured SIM800A GSM/GPRS Modem. This board is designed for robust and easy-to-use communication, allowing you to send SMS, make voice calls, and transfer data over the internet.
Based on the modern SIM800A module, this board is a powerful upgrade to older SIM900A modems. A standout feature is its potential for **onboard Bluetooth connectivity**, allowing for even more flexible wireless applications. The modem includes a standard DB9 serial port (RS232) for direct connection to computers and industrial equipment, as well as TTL level UART pins for interfacing with microcontrollers like Arduino and Raspberry Pi.
Powering the board is simple thanks to the onboard DC barrel jack, and the full-size SIM card holder ensures compatibility. This all-in-one modem is a powerful tool for developing a wide variety of M2M (Machine-to-Machine) and IoT applications.
Key Features:
- Chip: SIMCom SIM800A
- Network Support: Quad-band GSM/GPRS (850/900/1800/1900 MHz)
- Core Functions: SMS, Voice Calls, GPRS Data, DTMF, and potential Bluetooth support
- Flexible Connectivity: Onboard DB9 (RS232) connector and TTL serial pins
- Easy Powering: DC barrel jack for standard power adapters (5V-12V range)
- SIM Card Slot: Full-Size SIM Holder
- Antenna Connector: SMA connector with included “Rubber Ducky” Antenna
Applications:
This modem is perfectly suited for applications like industrial automation, SMS gateways, remote monitoring and control systems, home security alerts, vehicle tracking, and other IoT projects where a reliable and easy-to-interface cellular link is required.
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