The 7Semi ESP32-S3 EC200U-CN 4G LTE Cat-1 IoT Smart Modem combines cellular connectivity, GNSS, Wi-Fi, Bluetooth, and embedded processing in a single compact platform. It integrates the Quectel EC200U-CN with an ESP32-S3 dual-core microcontroller, providing a flexible solution for connected IoT applications. The EC200U-CN supports LTE-FDD, LTE-TDD, optional GSM/GPRS, and multi-constellation GNSS for communication and location tracking. The ESP32-S3 adds 2.4 GHz Wi-Fi, Bluetooth LE, for local processing and wireless connectivity. Multiple hardware interfaces allow easy integration with sensors and external peripherals. The board is suitable for asset tracking, telemetry, remote monitoring, smart metering, and industrial IoT applications.
Note: The EC200U-CN variant is designed for cellular frequency bands commonly used in India and China.
Feature
- Multi-Band Cellular Support: Supports LTE-FDD B1/B3/B5/B8, LTE-TDD B34/B38/B39/B40/B41, and optional GSM B3/B8.
- Multi-Constellation GNSS: Supports GPS, BeiDou, Galileo, GLONASS, and QZSS for location-based applications.
- Powerful ESP32-S3 N8R2: Dual-core Xtensa LX7 processor up to 240 MHz with 8 MB Flash and 2 MB PSRAM.
- Wi-Fi & Bluetooth Connectivity: Integrated 2.4 GHz Wi-Fi and Bluetooth 5 LE through the ESP32-S3 for additional short-range wireless connectivity.
- Flexible Hardware Interfaces: Provides multiple UART, I²C, SPI, USB, GPIO, ADC, and other peripheral interfaces for sensors and external devices.
Resources
- ESP32-S3 EC200U Modem User Manual pdf
- EC200U-CN Datasheet
- EC200U GNSS AT Commands
- EC200U TCP/IP Application
- EC200U MQTT Application Note
- EC200U AT Commands Manual
- ESP32-S3-WROOM-2 Datasheet
- Download the EC200U-CN USB Modem Windows 10 Driver
- EC200U-CN USB Modem Driver Installation Guide
- EC200U-CN Firmware Update Guide
- DXF File
Application
- Category:
- LTE +GNSS COMMUNICATION MODULE
- Controller used:
- ESP32 S3
- Communication interface:
- USB 2.0, UART, I²C, SPI, ADC
- Operational voltage:
- 5V to 26V
- Input current rating:
- 200mA to 2A max
- Connectors:
- 2.54mm pitch standard connectors
- Operational temprature:
- -40C to +80C
- GNSS Constellations:
- GPS, BDS (BeiDou), Galileo, GLONASS, QZSS (Optional)
- LTE-Frequency Bands:
- FDD-LTE: B1, B3, B5, B8; TDD-LTE: B34, B38, B39, B40, B41
- GSM Frequency Bands::
- B3 / B8
- Supported Protocols:
- TCP, UDP, PPP, MQTT, NTP, HTTP, HTTPS, SSL, FTP, FTPS, CMUX
- Antenna Connector:
- U.FL / I-PEX RF Connectors
- Board Dimensions:
- 98mm x 40mm x 10.41mm
