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ESP32-S3 With A7672S 4G LTE Cat-1 WiFi Bluetooth GNSS IoT Smart Modem
The ESP32-S3 with A7672S 4G LTE Cat-1 WiFi Bluetooth GNSS IoT Smart Modem is a powerful all-in-one wireless communication development board designed for advanced IoT, telemetry, industrial automation, GPS tracking, and remote monitoring applications. Combining the high-performance ESP32-S3 dual-core MCU with the SIMCOM A7672S 4G LTE Cat-1 modem, this smart modem delivers seamless 4G LTE, WiFi, Bluetooth 5.0 BLE, and GNSS positioning capabilities in a compact embedded platform.
The board supports high-speed LTE Cat-1 connectivity with fallback 2G GSM/GPRS communication, making it ideal for IoT devices requiring reliable cloud connectivity, MQTT communication, HTTP/HTTPS data transfer, SMS, voice calling, and GPS tracking. The ESP32-S3 microcontroller offers powerful AIoT processing with integrated WiFi and BLE, while the A7672S modem provides stable cellular communication and GNSS navigation support.
Designed for developers, engineers, and IoT product designers, this modem board includes multiple communication interfaces such as UART, USB, GPIO, SPI, and I2C for easy integration into industrial and smart applications. It supports popular IoT protocols including TCP/IP, MQTT, HTTP(S), FTP, SSL/TLS, and cloud platforms, enabling rapid development of connected devices.
Features
- ESP32-S3: Dual-core Xtensa LX7 processor, AI acceleration, 240 MHz, Wi-Fi + BT 5.0.
- A7672S: LTE Cat 1 module with GNSS, supports HTTP(S), MQTT(S), FTP, SSL.
- SIM Card Slot: Nano SIM for LTE network access.
- USB-C Port (3x): One for ESP32-S3 programming, One for ESP32-S3 USB Host, one for LTE Interface.
- Battery Support: Battery Holder with onboard charging IC, which can support 7.4V
- Battery. supports Model 18650 3.7V.
- GPIO Headers: Full pin access for sensors, actuators, GPOIO/I2C/SPI/UART.
- Onboard LEDs: Power, network status, Battery Charging status.
- Reset & Boot Buttons: For flashing and module management
- Power On/OFF: On Board Slide switch
Applications
- IoT Devices: Remote monitoring, asset tracking, smart metering, and connected devices.
- M2M Communication: Machine-to-machine communication for industries like automotive, agriculture, and smart cities.
- Industrial Automation: Integration with industrial IoT systems requiring cellular
- connectivity for real-time data transmission.
- Point-of-Sale Systems: Devices requiring cellular data and voice communication for payment processing.
Specifications
- Supply Voltage: 10 ~ 26V (JST)
- Power Consumption: Low power operation for extended battery life.
- Speed: Up to 10 Mbps
- GSM/EDGE Support: Available in fallback mode for regions with limited 4G coverage.
- Voice Support: voice calling functionality.
- SMS Support: Standard SMS and PDU modes.
- Operating Temperature: -35°C to +75°C
- Storage Temperature: -40°C to +85°C
- Dimensions: 110 mm x 53 mm x 35 mm
Package Includes
- 1x ESP32-S3 With A7672S 4G LTE Cat-1 WiFi Bluetooth GNSS IoT Smart Modem
