The Simcom SIM808 is a complete Quad-Band GSM/GPRS/GPS module combining GSM/GPRS technology with GPS for satellite navigation. This module offers a compact and versatile solution for a wide range of location-based services (LBS) and IoT applications. It integrates GSM/GPRS and GPS functionalities into a single module, simplifying design and reducing overall system cost.

Applications

• Asset tracking
• Vehicle tracking
• Personal tracking
• Navigation systems
• Security systems

Features

• Quad-Band GSM/GPRS (850/900/1800/1900MHz)
• Integrated GPS receiver
• GPRS multi-slot class 12/10
• GPRS mobile station class B
• Embedded TCP/IP protocol stack
• Multiple interfaces (UART, USB, SIM card)
• Low power consumption

Benefits

• Combined GSM/GPRS and GPS functionality in a single module
• Accurate location tracking
• Global coverage with Quad-Band support
• Easy integration into existing systems
• Remote monitoring and control
• Cost-effective solution for LBS applications

Additional Details

The SIM808 supports voice calls, SMS messaging, and GPRS data communication. The integrated GPS receiver provides accurate location information, enabling a variety of location-based services. The module features a rich set of interfaces, including UART for communication with a microcontroller, USB for debugging and firmware updates, and a SIM card interface for connecting to the cellular network. The embedded TCP/IP protocol stack simplifies network communication and reduces the need for complex software development.

The SIM808's GPS functionality supports both standard GPS and A-GPS (Assisted GPS), which uses cellular network information to improve GPS acquisition time and accuracy. The module also features low power consumption, making it suitable for battery-powered devices. Data transmission is achieved via GPRS, a packet-switching technology offering "always-on" internet connectivity. SMS functionality allows for sending short messages for remote control or status updates. Voice communication is possible through the GSM network.

For optimal GPS performance, it's important to connect an external GPS antenna to the SIM808 module. The module's operating voltage typically ranges from 3.4V to 4.4V. Detailed technical specifications, including power consumption, RF performance, and GPS accuracy, can be found in the Simcom SIM808 datasheet.