7Semi EG800AK LTE 4G Cat-1 Mini Industrial Modem USB-C

The 7Semi 4G LTE Modem is a compact cellular communication board designed for IoT, industrial automation, telemetry, remote monitoring, asset tracking, and embedded connectivity applications. Powered by the Quectel EG800AK-CN LTE Cat 1bis modem, the board provides reliable 4G LTE connectivity in a developer-friendly format with accessible power, UART, control, and status interfaces.

The board integrates a USB Type-C connector for power and modem communication, a Nano SIM card slot, LTE antenna connector, onboard power regulation circuitry, status indicators, and dedicated control pins. With support for LTE Cat 1bis networks, the modem delivers download speeds up to 10 Mbps and upload speeds up to 5 Mbps, making it suitable for cloud-connected IoT devices, industrial gateways, telemetry systems, and cellular-enabled monitoring solutions.

Designed for easy integration with ESP32, STM32, RP2040, Arduino, Raspberry Pi, Linux SBCs, and custom embedded systems, the board exposes UART communication and hardware control signals for direct modem operation using AT commands.

Features

• 4G LTE Cat 1 bis Connectivity: Powered by the Quectel EG800AK-CN modem for reliable cellular communication in IoT and industrial applications.

• Regional Network Support: Designed for compatible LTE networks in India and China, subject to operator band availability.

• LTE Frequency Bands: Supports LTE-FDD B1, B3, B5, B8 and LTE-TDD B34, B38, B39, B40, B41.

• High-Speed Data Communication: Supports maximum LTE download speeds up to 10 Mbps and upload speeds up to 5 Mbps.

• USB Type-C Interface: Provides a convenient connection for 5V power and supported USB modem communication.

• Wide Input Voltage Range: Supports 5V to 26V DC input through the VIN connection, subject to the board power circuit rating.

• Nano SIM Card Slot: Features an onboard Nano SIM card holder for cellular network access.

• External LTE Antenna Connection: Includes a U.FL / IPEX connector for connecting a compatible LTE antenna.

• UART Communication Interface: Provides TX and RX connections for communication with microcontrollers using AT commands.

• Dedicated Hardware Control Pins: Exposes KEY and RESET connections for modem power control and reset functions.

• Onboard Status Indicators: Features LEDs for power, modem operation, and cellular network status.

• Compact Industrial Design: Features a 62 x 40 mm PCB with four mounting holes for easy integration.

• Microcontroller Compatibility: Suitable for integration with ESP32, STM32, Arduino, Raspberry Pi, and other compatible embedded systems.

• LTE Antenna Included: Supplied with a 4G LTE FPC antenna with U.FL connector.

• Industrial and IoT Applications: Suitable for remote monitoring, telemetry, automation, cellular gateways, and connected embedded devices.

Items Included:

• 1 × 7Semi EG800AK LTE 4G Cat-1 Mini Industrial Modem USB-C

• 1 × 4G LTE FPC Antenna with U.FL Connector

Resources

Datasheet

DXF File

Driver installation guide

EG800 Driver

AT Commands manual

Wikipage