LILYGO T-Call SIM800 ESP32 module

Specification:

Chipset

ESPRESSIF-ESP32 240MHz Xtensa® dual-core 32-bit LX6 microprocessor

FLASH

QSPI flash 4MB / PSRAM 8MB

SRAM

520 kB SRAM

Button

Reset

Power Supply Chip

IP5306

USB to TTL

CH9102F

Modular interface

UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA pre-amplifier

On-board clock

40MHz crystal oscillator

Working voltage

2.7V-3.6V

Working current

About 70mA

Sleep current

About 300uA

SIM card

Only supports Nano SIM card