7Semi EC200U LTE 4G GNSS IoT Smart Modem Onboard STM32 MCU

The 7Semi EC200U LTE 4G GNSS IoT Smart Modem with onboard STM32 MCU is an all-in-one cellular and positioning solution designed for IoT and embedded applications. It integrates an LTE Cat-1 modem, multi-constellation GNSS receiver, and an STM32G070KBT6 microcontroller on a single compact module. This eliminates the need for an external MCU, enabling standalone programmable IoT systems with mobile connectivity and real-time positioning. It offers USB and UART communication options, a nano-SIM slot, and industrial temperature support suitable for field deployments.

Technical Specifications:

• Microcontroller: STM32G070KBT6 with 128 KB Flash
• Cellular Connectivity: LTE Cat-1 (with fallback support to 3G/2G depending on region)
• GNSS Support: GPS, GLONASS, BeiDou
• Interfaces: USB and UART
• SIM Slot: Nano-SIM (1.8 V / 3 V)
• Operating Temperature: –40 °C to +85 °C
• Form Factor: Compact modem board (core module approx. 28 mm × 31 mm × 2.4 mm)
• Power Architecture: Low-power optimized for IoT and remote deployments
• Typical Data Reference: Up to ~10 Mbps down / 5 Mbps up depending on LTE Cat-1 variant (approximate)

Features:

• Integrated STM32 MCU, LTE modem, and GNSS engine in a single module
• Multi-constellation GNSS for accurate location tracking
• Supports USB and UART for flexible interfacing
• Eliminates need for additional external controlling microcontroller
• Industrial-grade temperature support for harsh environments
• Nano-SIM support for easy mobile network activation
• Ideal for portable and low-power IoT systems
• Compact and integrated form factor for product development and deployment

Applications:

• IoT telemetry and remote monitoring systems
• Vehicle and fleet tracking, logistics, and asset tracking
• Industrial automation and smart infrastructure deployments
• Wireless data logging and mobile control units
• Compact embedded devices needing onboard processing + connectivity
• Battery-powered field devices and outdoor systems
• Rapid development for M2M communication hardware