TTGO T-Call V1.4 ESP32 SIM800L Wireless Communication Module

Combine the power of the ESP32 dual-core processor with cellular GSM/GPRS connectivity in one compact board. The TTGO T-Call V1.4 integrates the SIM800L module, enabling your IoT projects to send SMS, make voice calls, and transmit data over 2G networks - no Wi-Fi required. Available now from The Engineer Store, Bengaluru, with fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.

Specifications

Key Features

• Dual Connectivity: ESP32 provides Wi-Fi and Bluetooth while the SIM800L adds cellular GSM/GPRS, giving your project multiple communication pathways for maximum reliability.
• SMS, Voice & Data: Send and receive SMS messages, initiate or answer voice calls, and perform HTTP/MQTT data transfers over the 2G cellular network using AT commands.
• Improved V1.4 Power Design: Features the IP5306 power management IC with a JST battery connector, enabling stable operation on a single 3.7 V LiPo cell with built-in USB charging.
• Nano-SIM Slot: Accepts standard nano-SIM cards from any GSM carrier - simply insert a prepaid or postpaid SIM and start communicating.
• External GSM Antenna: IPEX antenna connector with included external antenna ensures strong cellular signal reception even in enclosures or remote deployments.
• Full ESP32 Capabilities: Dual-core 240 MHz processor, 4 MB flash, 4 MB PSRAM, and rich peripheral support (I2C, SPI, UART, ADC, DAC, PWM) for complex applications.
• Arduino & PlatformIO Compatible: Extensive library support including TinyGSM, making it easy to get started with cellular IoT in minutes.
• Compact Form Factor: Small enough to embed in portable devices, wearables, or field-deployed sensor nodes.

Why Choose the TTGO T-Call V1.4?

• 100% Authentic LILYGO Product: Sourced directly from authorized distributors - no clones or counterfeits.
• All-in-One Solution: No need to wire a separate SIM800L breakout to an ESP32 - everything is integrated, tested, and ready to program.
• Remote IoT Without Wi-Fi: Deploy sensors, trackers, and alert systems in locations where Wi-Fi is unavailable - farms, vehicles, remote infrastructure.
• 1-5 days shipping: Ships from our Bengaluru warehouse to most locations across India. Same-day delivery available within Bengaluru.
• Expert Technical Support: Our engineering team helps you with wiring, code, library setup, and troubleshooting - included free with every purchase.

Project Ideas

• GPS Vehicle Tracker: Pair with a GPS module (NEO-6M) to build a real-time vehicle tracking system that sends location coordinates via SMS or GPRS to a cloud dashboard.
• Remote Weather Station: Deploy temperature, humidity, and rain sensors in agricultural fields and transmit readings

Frequently Asked Questions

Buy TTGO T-Call V1.4 ESP32 SIM800L Wireless Communication Module Online in India

Purchase the TTGO T-Call V1.4 ESP32 SIM800L Wireless Communication Module online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on TTGO T-Call V1.4 ESP32 SIM800L Wireless Communication Module with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.

Looking to buy TTGO T-Call V1.4 ESP32 SIM800L Wireless Communication Module at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.