SIM900A GSM Modem Module with SMA Antenna

The SIM900A GSM Modem Module is a versatile communication device equipped with a Dual Band GSM/GPRS engine (SIM900A), operating on frequencies 900/1800 MHz. With its RS232 interface and configurable baud rate, it offers seamless connectivity with both PCs and microcontrollers equipped with RS232 Chip (MAX232). The built-in TCP/IP stack enables internet connectivity via GPRS, making it suitable for a wide range of applications including SMS, voice, and data transfer in M2M interfaces.

  Key Features:  

• Dual Band GSM/GPRS Engine: Operates on frequencies 900/1800 MHz, ensuring compatibility with a wide range of networks.
• RS232 Interface: Allows easy connection to both PCs and microcontrollers equipped with RS232 Chip (MAX232). The baud rate is configurable from 9600 to 115200 through AT commands, providing flexibility in communication settings.
• Internal TCP/IP Stack: Enables internet connectivity via GPRS, allowing for various online applications such as data transfer and remote monitoring.
• LED Status Indicators: Provides a clear indication of modem status, facilitating easy monitoring and troubleshooting.
• Simple and Cost-effective: Designed for ease of use and affordability, making it accessible for a variety of projects and applications.
• On-board Power Supply Regulator: Features a switching type power supply regulator onboard, ensuring stable and reliable operation.
• SMA Antenna Connector: Equipped with an SMA connector for connecting the included GSM antenna, ensuring optimal signal reception.
• Wide Input Voltage Range: Supports input voltages ranging from 5V to 12V DC, providing flexibility in power supply options.

  Applications:  

• SMS-based Remote Control and Alerts
• Security Applications
• Sensor Monitoring
• GPRS Mode Remote Data Logging
• Voice Calls and Internet Connectivity

  Package Includes:  

• 1 x SIM900A GSM MODEM
• 1 x SMA ANTENNA