SIM800C GSM/GPRS Module (Chip)

The SIM800C is a compact GSM/GPRS module designed for cellular communication in embedded systems and IoT applications. It supports quad-band GSM networks, enabling voice calls, SMS, and GPRS data transmission worldwide. The module is widely used in space-constrained designs due to its small form factor and low power consumption. It communicates with microcontrollers using AT commands via serial (UART) interface, making it easy to integrate into various electronic projects.

Technical Specifications:

• Operating Voltage: 3.4V – 4.4V (typical 4.0V)
  
• Frequency Bands: Quad-band GSM (850 / 900 / 1800 / 1900 MHz)
  
• Communication Interface: UART (Serial)
  
• GPRS Class: Class 12
  
• Data Speed: Up to 85.6 kbps (downlink/uplink)
  
• SMS Support: Text and PDU mode
  
• Audio Support: Voice calls with microphone and speaker interface
  
• Power Consumption: Low power with sleep mode support
  

Features:

• Supports voice, SMS, and GPRS data communication
  
• Quad-band operation for global compatibility
  
• AT command set for easy control and integration
  
• Low power consumption with sleep and idle modes
  
• Compact size suitable for embedded designs
  
• Built-in TCP/IP stack for internet connectivity
  
• Supports caller ID, call waiting, and other telephony features
  
• Reliable performance in harsh environments

Applications:

• IoT and M2M communication systems
  
• Remote monitoring and control systems
  
• GSM-based home automation
  
• Vehicle tracking and fleet management
  
• Wireless data transmission projects
  
• SMS alert and notification systems
  
• Industrial automation and telemetry
  
• Security and alarm systems