The GSM900A SIMCOM Module & GPRS Modem with Finger Antenna is a reliable wireless communication solution designed for embedded systems, robotics, and IoT-based projects. Based on the trusted SIMCOM GSM900A chipset, this module supports GSM voice, SMS, and GPRS data communication, enabling seamless connectivity over cellular networks.

Operating on GSM 900/1800 MHz bands, the module is suitable for use in many regions and is widely adopted in industrial and educational applications. It communicates via a UART (TTL serial interface), making it easy to integrate with popular microcontrollers such as Raspberry Pi, ARM, DSP, AVR, PIC, and 8051 using standard AT commands.

The module supports SMS sending/receiving, voice call functionality, and GPRS data transmission, making it ideal for remote monitoring, control systems, vehicle tracking, security alarms, smart meters, and automation projects. The included external finger antenna ensures improved signal strength and stable network connectivity.

Designed for durability and consistent performance, the GSM900A modem is commonly used in robotics communication systems, industrial automation, IoT gateways, and academic research projects. Its flexibility and wide compatibility make it an excellent choice for both beginners and experienced developers.