# 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.

**1 device listed.**

## 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)