The ADIY SIM800C LM39302 TTL Board is a high-performance GSM/GPRS module built on the SIM800C engine, supporting quad-band frequencies (850/900/1800/1900 MHz). With a configurable baud rate via AT commands and an internal TCP/IP stack, the board allows seamless internet connectivity over GPRS.

The LM39302 voltage regulator provides a stable low-voltage, high-current output, enabling the use of a wide range of unregulated power supplies. The board also supports audio calls, SMS, and data transfer, making it suitable for industrial automation, IoT devices, remote monitoring, and M2M applications.

Equipped with Nano SIM card holder, UFL, and SMA connectors, it ensures easy integration for IoT projects, home automation, agriculture automation, vehicle tracking, weather reporting, and GSM-based security alerts.

Features : ADIY SIM800C LM39302 TTL Board

• Input Voltage: 5–20V

• Quad-Band GSM/GPRS: 850/900/1800/1900 MHz

• Configurable baud rate via AT commands

• LM39302 voltage regulator for stable power supply

• ESD compliant

• Nano SIM card holder (push-push type)

• Enable MIC and Speaker socket

• UFL and SMA connector for antennas

• Supports SMS, voice, and GPRS data

• Internal TCP/IP stack for internet connectivity

Applications : ADIY SIM800C LM39302 TTL Board

• Industrial automation and M2M applications

• GPRS-based data logging and remote monitoring

• Home automation and smart agriculture

• Health monitoring systems

• Vehicle tracking and fleet management

• GSM/GPRS security alert systems

• Weather report logging and remote terminal file transfer

• Bulk SMS sending

Package Includes : ADIY SIM800C LM39302 TTL Board

• 1 × ADIY SIM800C LM39302 TTL Board

• 1 × Nano SIM Card Holder (pre-installed)

• 1 × UFL Antenna Connector

• 1 × SMA Antenna Connector

• 1 × User Manual / Quick Start Guide