SIM800C GSM Modem Compact Quad-Band Module

The SIM800C GSM modem is a compact and efficient quad-band communication module designed for voice, SMS, and GPRS data transmission. Based on the SIMCom SIM800C chipset, it supports reliable 2G cellular connectivity and is widely used in embedded systems and IoT applications. The module is designed for low power consumption and easy integration with microcontrollers via UART interface. Its small form factor, onboard SIM slot, and antenna support make it ideal for compact wireless communication projects.

Technical Specifications:

• Module Type: GSM/GPRS Communication Module
  
• Core Chipset: SIM800C
  
• Frequency Bands: Quad-band (850 / 900 / 1800 / 1900 MHz)
  
• Operating Voltage: 3.4V – 4.4V (typical 4V)
  
• Communication Interface: UART (TTL serial)
  
• Data Support: GPRS Class 12
  
• SMS Support: Text and PDU mode
  
• Voice Support: Yes (audio interface available)
  
• Antenna Interface: External antenna (SMA/IPX depending on module)
  
• SIM Interface: Micro/Nano SIM card slot
  
• Power Consumption: Low power with sleep mode
  
• Operating Temperature: −40°C to +85°C

Features:

• Quad-band GSM support for global compatibility
  
• Supports SMS, voice calls, and GPRS data
  
• Compact size suitable for embedded applications
  
• Low power consumption with sleep modes
  
• UART interface for easy microcontroller integration
  
• Onboard SIM card holder
  
• External antenna support for better signal strength
  
• Reliable and stable communication performance

Applications:

• IoT and M2M communication systems
  
• Remote monitoring and control
  
• SMS-based automation systems
  
• Vehicle tracking and security systems
  
• Wireless data logging
  
• Home automation projects
  
• Industrial communication systems
  
• Alarm and alert systems