LILYGO TTGO T-Call V1.3 ESP32 Wireless Module SIM800L

LILYGO TTGO T-Call V1.3 ESP32 Wireless Module SIM800L

The TTGO T-Call is a new ESP32 development board that combines a SIM800L GSM/GPRS module. The new board combines ESP32 WiFi & Bluetooth WiSoC with SIMCom SIM800L GPRS module, and also happens to rely on a USB-C port for power and programming instead of the more common micro USB port on this type of hardware.

Quick Spec

Wireless Module: ESP32-WROVER-B based on ESP32 dual core Xtensa processor @ 240MHz with 520kB SRAM on-chip, 4MB QSPI flash, 8MB PSRAM

Connectivity

WiFi 4 802.11 b/g/n (2.4 GHz) up to 150 Mbps

Bluetooth 4.2 Classic + LE

Cellular: 2G GSM/GPRS via SIMcom SIM800L module + Nano SIM card slot

USB: 1x USB-C for power and programming (via CP2104)

Expansion: 2x 21-pin headers with UART, SPI, SDIO, I2C, PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DAC

Misc: Reset Button, on-board40MHz crystal oscillator

Power Supply: 5V/1A via USB-C port / 2-pin JST header for 3.7V Lithium battery, support for 500mA charging current

Operating Voltage: 2.7V-3.6V

Power Consumption: About 70mA while active; sleep: about 300uA

Temperature Range: -40℃ ~ +85℃

Dimensions: 78.8 x 28.9 x 8.1 mm

Weight: 11.77 g