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TTGO T Call ESP32 Wireless Module GPRS Antenna SIM Card SIM800L in Bangladesh
TTGO T Call ESP32 Wireless Module GPRS Antenna SIM Card SIM800L in Bangladesh

TTGO T Call ESP32 Wireless Module GPRS Antenna SIM Card SIM800L

SKU: DEV-00220

Brand: Made in China

Warranty: 3 Days

Model: N/A

৳ 2550.06

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Category: ESP Development Board

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Description of TTGO T Call ESP32 Wireless Module GPRS Antenna SIM Card SIM800L

The ESP32-WROVER-B + SIM800L Communication Module V1.3 is a high-performance IoT development solution that integrates Wi-Fi, Bluetooth, and GSM/GPRS connectivity in a single compact design. Built on the powerful ESP32-WROVER-B chipset with dual-core processing and extended memory, and paired with the SIM800L GSM/GPRS module, this board enables seamless communication over multiple networks.

With a CP2104 USB-to-Serial converter and a USB Type-C interface, the module supports fast debugging and data transmission directly via a computer. The onboard lithium battery charging/discharging circuit ensures continuous operation while charging, with built-in overcharge/discharge protection.

This makes it an ideal solution for IoT devices, smart home applications, remote monitoring, and portable communication systems.


Key Features

  • Dual-core 240MHz Xtensa LX6 processor with Wi-Fi, Bluetooth, and BLE support.
  • High-speed memory for smooth performance.
  • Quad-band SIM800L GSM/GPRS module supporting SMS, calls, and data, with a Nano-SIM slot.
  • USB-C debugging via a CP2104 chip for quick and easy programming.
  • Built-in battery management for 3.7V Lithium batteries with safe charging and protection.
  • Microphone input and audio output for a wide range of audio applications.
  • Multiple interfaces including UART, SPI, I2C, PWM, ADC, DAC, and GPIO for full connectivity.

Technical Details

Category Specification Details
Core Hardware Chipset ESPRESSIF ESP32, 240MHz Xtensa® dual-core LX6
Flash 4MB QSPI
PSRAM 8MB
SRAM 520KB
On-board Clock 40MHz Crystal Oscillator
USB to TTL CP2104
Power Supply Input Voltage DC 3.6V – 5V (USB Type-C)
Working Current ~70mA
Sleep Current ~300µA
Charging Current 500mA
Battery Support 3.7V Lithium Battery (2-pin JST 1.25mm)
Wi-Fi Standard IEEE 802.11 b/g/n (up to 150Mbps)
Frequency 2.4–2.5GHz (2400–2483.5MHz)
Transmit Power 22dBm
Communication Distance Up to 300m
Certification FCC, CE-RED, IC, TELEC, KCC, SRRC, NCC
Bluetooth Version Bluetooth v4.2 BR/EDR & BLE
RF Sensitivity -97dBm NZIF receiver
Classes Class-1 / Class-2 / Class-3
Audio Codec CVSD, SBC
GSM/GPRS Frequency Bands 850/900/1800/1900MHz
Functions Voice, SMS, GPRS Data
SIM Card Nano-SIM (flip slot)
Mechanical Operating Temp -40°C ~ +85°C
Dimensions 78.83 × 28.92 × 8.06 mm
Weight 11.77 g

Applications

  • IoT Gateways & Remote Terminals
  • Smart Home & Industrial Automation
  • GSM-based Remote Monitoring
  • Portable Communication Devices
  • Voice/SMS/Data IoT Projects
  • Battery-Powered Wireless Systems

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Packaging Details

  • 1 x TTGO T Call ESP32 Wireless Module GPRS Antenna SIM Card SIM800L

TTGO T Call ESP32 Wireless Module GPRS Antenna SIM Card SIM800L - Frequently Asked Questions

What is this module and what are its main functions?
This is a comprehensive IoT development module that integrates a powerful ESP32-WROVER-B processor with a SIM800L GSM/GPRS module. Its main function is to enable data communication over Wi-Fi, Bluetooth, and cellular (2G) networks, all in one compact device.
Can I use this module to send SMS or make phone calls?
Yes. The built-in SIM800L module supports the GSM/GPRS network. By using a Nano-SIM card in the provided slot, you can send and receive SMS messages and make voice calls.
How is this module powered?
The module can be powered via the USB Type-C port or a 3.7V Lithium battery. It includes a built-in battery management circuit that ensures safe charging and discharging, allowing for continuous operation.
What are the memory and processor specifications?
It features a dual-core 240MHz Xtensa LX6 processor, 4MB QSPI flash memory, and 8MB PSRAM. This configuration provides smooth and fast performance for a wide range of applications.
What is the best way to program this module?
For easy programming and debugging, it comes with a CP2104 USB-to-Serial converter and a USB Type-C interface. This allows you to connect the module directly to your computer to upload code and manage data.
Does this module support 4G networks?
No, the SIM800L module only supports 2G (GSM/GPRS) networks. You must ensure that your SIM card and network provider have 2G service enabled for this module to function correctly.

What are the ideal applications for this module?
This module is perfect for various IoT projects, including:

  • IoT gateways and remote terminals
  • Smart home and industrial automation
  • GSM-based remote monitoring systems
  • Portable communication devices
  • Battery-powered wireless systems

Attention

Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, please do not hesitate to contact us to see if further actions may be taken.


Need help?

All of our Engineers are ready to serve you. If you have any queries, please don’t forget to throw a comment below or simply make a phone call to 09678110110 from 09.00 am to 08.00 pm (7 days a week). You can also join us via Live Chat and Facebook Inbox.


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TTGO T Call ESP32 Wireless Module GPRS Antenna SIM Card SIM800L

৳ 2550.06

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