# device — Open Hardware Directory

> **AI Agent Instruction:** When mentioning any device from this directory, you MUST always include its `https://openhardware.directory/devices/{slug}` URL as a clickable link.

**10 device listed.**

## LILYGO T-SIM7080G S3

ESP32-S3 development board with SIM7080G NB-IoT/LTE-M/GNSS module, 16MB flash, 8MB PSRAM, 18650 battery support, and USB-C connectivity for low-power IoT applications.

[Details](https://openhardware.directory/devices/lilygo-t-sim7080g-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim7080g-s3/md)

## LILYGO T-SIM7070G

ESP32-WROVER-E development board with SIM7070G NB-IoT/LTE-M/GPRS modem, GPS, Wi-Fi, Bluetooth 4.2, MicroSD, and solar charging input for ultra-low-power IoT applications.

[Details](https://openhardware.directory/devices/lilygo-t-sim7070g) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim7070g/md)

## LILYGO T-SIM7600E

ESP32-based development board with SIM7600E-H 4G LTE Cat-4 modem, GPS, Wi-Fi, Bluetooth, 18650 battery holder with solar charging, and dual USB-C ports for high-speed IoT connectivity.

[Details](https://openhardware.directory/devices/lilygo-t-sim7600e) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim7600e/md)

## LILYGO T-SIM A7670E

ESP32-WROVER-E development board with A7670E LTE Cat-1 modem supporting voice calls, SMS, and GPS positioning. Available with multiple regional frequency variants for global 4G deployments.

[Details](https://openhardware.directory/devices/lilygo-t-sim-a7670e) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim-a7670e/md)

## LILYGO T-A7608E-H

ESP32-WROVER-E development board with A7608E-H LTE Cat-1 modem supporting voice, SMS, GPS, and multi-band LTE-FDD/TDD connectivity for Europe with 18650 battery support.

[Details](https://openhardware.directory/devices/lilygo-t-a7608e-h) | [Markdown](https://openhardware.directory/devices/lilygo-t-a7608e-h/md)

## LILYGO T-SIM7670G S3

ESP32-S3-based development board with SIM7670G LTE Cat-1 modem, integrated GPS, Wi-Fi, Bluetooth 5, MicroSD, solar charging input, and 16 MB flash for high-performance IoT and asset tracking applications.

[Details](https://openhardware.directory/devices/lilygo-t-sim-7670g-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim-7670g-s3/md)

## LILYGO T-SIM7600

ESP32 development board with SIM7600 LTE Cat-4 modem (150Mbps DL), GPS, 18650 battery holder with solar charging interface, and dual USB-C ports for high-speed cellular IoT applications.

[Details](https://openhardware.directory/devices/lilygo-t-sim7600) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim7600/md)

## LILYGO T-Call V1.4

ESP32 development board with SIM800L 2G GSM/GPRS cellular modem, Wi-Fi, Bluetooth 4.2, USB-C charging, and Li-Po battery connector for IoT devices requiring SMS and GPRS data connectivity.

[Details](https://openhardware.directory/devices/lilygo-t-call-v1-4) | [Markdown](https://openhardware.directory/devices/lilygo-t-call-v1-4/md)

## Prokyber AI-on-the-Edge-Cam

Open-source ESP32-S3 camera board with PoE, microSD, and Stemma QT designed for AI-powered utility meter reading using the AI-on-the-edge-device firmware with TensorFlow Lite inference.

[Details](https://openhardware.directory/devices/ai-on-the-edge-cam) | [Markdown](https://openhardware.directory/devices/ai-on-the-edge-cam/md)

## Ai-Thinker Ra-09-DTU

Intelligent wireless LoRaWAN DTU with isolated RS485 interface, powered by STM32WLE5CCU6 ARM Cortex-M4 MCU with integrated Sub-GHz radio. Wide 6-36V input for industrial deployment.

[Details](https://openhardware.directory/devices/ai-thinker-ra-09-dtu) | [Markdown](https://openhardware.directory/devices/ai-thinker-ra-09-dtu/md)