Description
The SIM808 development board is a comprehensive cellular and GNSS solution built around the SIM808 module. It combines quad-band GSM/GPRS modem capabilities for voice, SMS, and data transmission with an integrated GPS receiver for accurate location fixes. The board is engineered for robust operation across industrial temperature ranges, making it suitable for field-deployed IoT systems.
Communication with a host microcontroller or PC is handled via a TTL-level UART serial interface, programmable through standard AT commands for controlling cellular functions, GPRS data sessions, and GPS NMEA output. The board includes separate SMA and IPX antenna connectors for optimal RF performance on both cellular and GPS bands, and features a dedicated power management circuit supporting a wide input voltage range and direct Li-Ion battery integration.
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