Key Features:
Dual Connectivity:
Integrated ESP32 with Wi-Fi + Bluetooth and SIM800L for GSM/GPRS communication
GSM Functions:
Supports SMS sending/receiving, voice calls, and GPRS data transmission
Powerful ESP32 MCU:
Dual-core processor with high performance and low power consumption
Compact & Integrated Design:
All-in-one board reduces external wiring and simplifies prototyping
Micro SIM Support:
Dedicated SIM card slot for easy GSM network connectivity
Battery Support:
Built-in Li-ion/Li-Po battery charging circuit for portable applications
Wide Application Range:
Ideal for IoT projects, GPS tracking, smart agriculture, home automation, remote monitoring, and industrial control systems
Technical Specifications:
Microcontroller: ESP32 (Dual-core, 240MHz)
GSM Module: SIM800L Quad-band
Communication: Wi-Fi (802.11 b/g/n), Bluetooth 4.2 + GSM/GPRS
Operating Voltage: 5V (via USB)
SIM Card: Micro SIM
Antenna: Onboard + External support
Interfaces: UART, GPIO, SPI, I2C, ADC, DAC
Battery Support: 3.7V Li-ion/Li-Po
Applications:
IoT-based remote monitoring systems
GPS vehicle tracking systems
Smart energy meters
SMS alert systems
Industrial automation
Wireless data logging
Package Includes:
1 x SIM800L ESP32 TTGO T-Call Wireless Module
Why Choose This Module?
The TTGO T-Call module offers a complete wireless solution by combining internet and cellular communication in a single compact board. It eliminates the need for multiple modules, reduces project complexity, and accelerates development time—making it perfect for both beginners and advanced developers.
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