Description:

The SIM800C GSM/GPRS Modem is a compact and reliable quad-band GSM module that enables wireless communication using GSM (Global System for Mobile Communications) and GPRS (General Packet Radio Service) technology. It supports voice calls, SMS, internet data, and DTMF (Dual-Tone Multi-Frequency) functions, making it suitable for IoT applications and remote communication systems. The module operates at low power consumption and is widely used in embedded systems, automation, and remote monitoring.

Specifications:

Here are the key specifications of the SIM800C GSM module:

• Operating Voltage: 3.4V - 4.4V DC (Typical 4.0V)
• Current Consumption:
• Idle Mode: ~1 mA
• Active Transmission: ~500 mA to 2 A (peak)
• Network Support: Quad-band GSM (850/900/1800/1900 MHz)
• GPRS Class: Class 12 (Up to 85.6 kbps)
• Interfaces: UART (3.3V/5V TTL), USB, PCM
• SIM Card Support: 1.8V/3V Micro-SIM
• Communication Protocols: AT Commands (3GPP TS 27.007, 27.005)
• Antenna Interface: External antenna via IPEX/U.FL connector
• Audio Support: Microphone and Speaker Interface
• Temperature Range: -40°C to +85°C
• Dimensions: Approx. 17.6mm × 15.7mm × 2.3mm

Applications:

The SIM800C GSM modem is widely used in wireless communication applications, including:

1. IoT (Internet of Things): Used in IoT devices for remote communication, smart agriculture, and industrial automation.
2. Home Automation: Allows remote control of electrical appliances via SMS or GPRS.
3. Vehicle Tracking Systems: Integrated with GPS to enable real-time vehicle tracking and fleet management.
4. Security and Surveillance: Used in GSM-based alarm systems, motion detectors, and remote monitoring devices.
5. Smart Meters: Helps in wireless transmission of utility data like electricity and water meter readings.
6. Remote Data Logging: Used for collecting and transmitting environmental and industrial data from remote locations.
7. Mobile Payment Systems: Supports SMS-based payments and banking services.
8. Emergency Alert Systems: Sends automated emergency messages in disaster monitoring and medical alert systems.
9. Telemedicine & Wearable Devices: Used in healthcare systems to transmit patient health data to remote medical centers.