Chat on WhatsApp
Description
The LILYGO T-Call V1.4 ESP32 Module is a powerful IoT development board combining WiFi, Bluetooth, and GSM/GPRS connectivity in a compact design. Equipped with the SIM800L module, this board allows you to add cellular communication, SMS, and data capabilities to your projects – ideal for remote monitoring, IoT automation, and M2M applications.
Powered by the ESP32 dual-core LX6 processor, it offers robust performance, onboard storage, and easy integration with sensors, IoT devices, and cloud platforms through its GPIO interface. The unsoldered design also gives developers complete flexibility for customizing connections.
Key Features
- Chipset: ESPRESSIF-ESP32 (240MHz Xtensa dual-core LX6 microprocessor)
- Flash: 4MB QSPI flash
- PSRAM: 8MB
- SRAM: 520 kB SRAM
- Clock: 40MHz crystal oscillator
- Working Voltage: 2.7V-3.6V
- Working Current: ~70mA
- Sleep Current: ~1.1mA
Connectivity and communication
- Wireless: 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth v4.2 BR/EDR and BLE
- Cellular: SIM800H GSM/GPRS module for 2G communication (SMS, calls)
- SIM Card: Nano SIM card slot
- Interfaces: UART, SPI, SDIO, I2C, PWM, TV PWM, I2S, IRGPIO
Power
- Power Supply: USB 5V/1A or 3.7V lithium battery
- Charging Current: 500mA
- USB Connector: Type-C
- Battery Connector: 2Pin 2.0mm JST connector
Package Includes
- 1 × LILYGO T-Call V1.4 ESP32 Module
- 1 × SIM Antenna
