SimCom SIM900A GSM Module with SMA Antenna

Seamless GSM Connectivity: The SIM900A GSM module provides reliable dual-band (900MHz) GSM communication, perfect for integrating cellular capabilities into your projects. Automatic band searching simplifies setup, while AT command control offers precise frequency band selection for advanced applications.

Versatile Microcontroller Integration: Effortlessly integrate this module with a wide range of popular microcontrollers, including Arduino, Raspberry Pi, ARM, AVR, PIC, and 8051 platforms. Its adaptable interface ensures compatibility across diverse development environments.

Comprehensive Communication Capabilities: Beyond basic SMS, this module supports voice calls, GPRS data transfer, and robust AT command control for managing all aspects of cellular communication. Easily send, receive, and manage SMS messages, and handle incoming and outgoing calls.

Flexible Power Supply: The onboard regulated power supply accepts a wide range of unregulated input voltages, simplifying integration and reducing the need for additional power regulation circuitry. Supports 12V, 1-2A max.

Compact and Robust Design: This Surface Mount Technology (SMT) module boasts a compact footprint, ideal for space-constrained projects. Its single-chip design ensures reliability and efficiency. Includes an SMA antenna for optimal signal reception.

Multiple Interface Options: Connect via RS232 (with DB9 connector), TTL, or I2C interfaces, providing flexibility for various project requirements. Direct MIC and SPEAKER connections are also supported for voice applications.

Specifications:

Model: SIM900A
Baud Rate: 1200-115200
Dimensions: 5 x 4 x 3cms
Weight: 5 grams