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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