LilyGO TTGO T-Call ESP32 SIM800L COM44, R28

Description

The TTGO T-Call from LilyGO is a microcontroller based on an ESP32 in combination with an SIM800L GSM GPRS module. The USB to serial converter makes it easy to program, even as an Arduino. The board has a USB-C connection with which it can be programmed and/or powered (USB-C cable not included).

Specifications:

• Supply voltage: 5V DC (via USB-C) of 3.3V DC (via 3V3 pin)
• GPIO voltage: 3.3V*
• Output voltage: 5V DC (via 5V pin)
• Main chip: ESP32 (WROVER module, 240Mhz dual core processor)
  • Flash memory: 4MB
  • SRAM: 520 kB
  • PSRAM: 8MB
  • Built-in Wi-Fi
  • Built-in Bluetooth
• USB to serial converter: CP2104 or CH9102F (drivers)
• Built-in SIM800L GSM GPRS module
• Built-in Nano SIM card connection
• Built-in power management chip (IP5306) with Li-ion/Li-Po battery charging circuit (~2A charging current)
• Battery connector: 2p JST-PH
• Dimensions: See images

Package contents:
1x TTGO T-Call SIM800L
1x Male header set
1x Battery cable
1x Antenna with cable