TTGO T-Call ESP32 Development Board with SIM800L GSM GPRS Module

The TTGO T-Call ESP32 with SIM800L GPRS Module is a compact IoT development board that combines the powerful ESP32 WiFi and Bluetooth microcontroller with the SIM800L GSM/GPRS module. It enables developers to build internet-connected devices that can communicate using WiFi, Bluetooth, SMS, voice calls, and mobile GPRS networks.

This board is an excellent solution for smart agriculture, GPS trackers, home automation, industrial monitoring, vehicle tracking, remote sensing, security systems, and wireless IoT applications. With low power consumption, dual-core processing, and flexible communication options, it is ideal for students, engineers, researchers, and makers in Bangladesh.

The TTGO T-Call ESP32 SIM800L Development Board is designed for developers who need both WiFi connectivity and GSM communication in a single compact board. It integrates the ESP32 dual-core processor with the reliable SIM800L Quad-Band GSM/GPRS module, allowing devices to remain connected even when WiFi is unavailable.

Unlike standard ESP32 boards, the TTGO T-Call supports SMS messaging, voice calling, and mobile internet via a SIM card, making it suitable for remote IoT installations where broadband connectivity is not available.

Whether you're developing a smart irrigation system, vehicle tracker, industrial data logger, home security alarm, energy monitoring solution, or remote weather station, this board offers dependable wireless communication with excellent performance.

The ESP32 microcontroller provides built-in WiFi and Bluetooth while the SIM800L module offers GSM and GPRS connectivity. Together, they enable hybrid communication systems that switch between local wireless networks and cellular networks.

Its Arduino IDE compatibility and ESP-IDF support make programming easy for beginners and professionals alike.

Students in Bangladesh can use this board for university projects, robotics competitions, IoT research, smart city projects, and embedded systems development.

Features:

• Powerful ESP32 Dual-Core 240MHz Processor
• Built-in SIM800L GSM/GPRS Module
• Supports WiFi and Bluetooth
• SMS Sending and Receiving
• Voice Calling Support
• GPRS Internet Connectivity
• Compatible with Arduino IDE
• Supports ESP-IDF Development
• Low Power Consumption
• Lithium Battery Charging Circuit
• Compact Development Board
• Excellent for Remote IoT Projects
• Quad Band GSM Network Support
• Easy Serial Communication
• Multiple GPIO Pins Available

Specifications: