The SIM900R is a compact and reliable GSM/GPRS module manufactured by Simcom Wireless Solutions. It provides a complete quad-band GSM/GPRS solution in a small SMT package, making it suitable for a wide range of M2M (Machine to Machine) applications, including tracking systems, remote monitoring, and wireless POS terminals.

Applications:

• GPS Tracking Systems
• Remote Monitoring Systems (e.g., environmental sensors)
• Wireless POS Terminals
• Smart Metering
• Security Systems

Features:

• Quad-Band GSM/GPRS: Operates on GSM 850MHz, 900MHz, 1800MHz, and 1900MHz frequencies.
• GPRS Multi-Slot Class 10/8: Supports GPRS data transfer with multiple slots for efficient data communication.
• Small SMT Package: Compact size allows for easy integration into space-constrained applications.
• Embedded TCP/IP Protocol Stack: Simplifies network connectivity and application development.
• AT Command Interface: Standard AT command set for easy control and configuration.

Benefits:

• Global Connectivity: Quad-band support ensures worldwide GSM/GPRS network compatibility.
• Efficient Data Transfer: GPRS multi-slot capability enables faster and more reliable data communication.
• Easy Integration: Small size and SMT package simplify the integration process into various devices.
• Simplified Development: Embedded TCP/IP stack and AT command interface reduce development time and complexity.
• Reliable Performance: Robust design ensures stable and reliable operation in various environmental conditions.

Technical Specifications:

The SIM900R operates within a supply voltage range of 3.4V to 4.5V and supports SIM card voltages of 3V and 1.8V. It features a UART interface for serial communication and includes a built-in antenna pad for connecting an external antenna. Power consumption varies depending on the operating mode, with typical values ranging from a few milliamperes in idle mode to several hundred milliamperes during active data transfer. Operating temperature ranges from -40°C to +85°C.

The SIM900R GSM/GPRS module is a versatile and cost-effective solution for adding wireless connectivity to a wide range of applications. Its compact size, robust features, and global compatibility make it an ideal choice for M2M communication and IoT deployments.