ESP32-based cellular IoT board using a Telit Cinterion TX62-W LTE-M/NB-IoT modem with integrated eSIM/eUICC support, UART host control, and dedicated power/RF design blocks.

ESP12F IoT Node with SIM800L Cellular, MT3608/AMS1117 Power, SPI Flash, I2S Audio, USB-C UART, and Li-Ion Management

UL-listed fire alarm signaling IoT device using STM32H757, dual Quectel EC21-AUV cellular modules, USB-C programming, LCD UI, dual SIM, dual antenna ports, 8 inputs, and isolated/dc-dc-coupled Quectel power/interface domains.

Looking for a low-cost way to send and receive data messages via satellite? This is it! With a clear view of the sky, the Satellite Transceiver Breakout - Swarm M138 allows you to send and receive short messages. It works anywhere in the world, including the polar regions, far beyond the reach of WiFi and Cellular networks. It is perfect for a variety of low-bandwidth use cases: from connecting people and tracking vehicles, ships, or packages to relaying sensor data for agriculture, energy, and industrial IoT applications. The built-in GNSS receiver makes it perfect for many tracking applications.