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LILYGO T-Call ESP32-07

LILYGO T-Call ESP32 Wireless Module SIM Antenna Development Board

Sale price €32,00

📦 Location of the warehouse: China

Style: A7670 [H700]
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LILYGO T-Call ESP32-07

LILYGO T-Call ESP32 Wireless Module SIM Antenna Development Board

The T-Call-A7670E is a versatile, high-performance development board featuring ESP32-based microcontroller, A7670E LTE connectivity, and Wi-Fi capabilities. Ideal for IoT and embedded communication projects, this board supports various communication protocols and offers seamless wireless integration for advanced applications.

The SIM800 GSM/GPRS module is a highly versatile and efficient communication module designed for IoT and embedded applications. With its support for GSM and GPRS, it offers reliable cellular communication for a variety of use cases including remote control, data transmission, and IoT networking. With integrated support for SIM Nano card (2G), this module allows seamless integration into your communication-based projects.

Key Features

  • Microcontroller: ESP32
  • LTE & GSM Module: A7670E
  • Wi-Fi: 802.11 b/g/n (Wi-Fi 4)
  • Bluetooth: v4.2 BR/EDR and BLE
  • Wireless Communication: I2C, SPI, UART, SDIO, I2S, CAN
  • Flash Storage: 4MB
  • PSRAM: 4MB
  • USB Interface: Supports USB 2.0 for device communication
  • Connectivity: TCP/IP, IPv4, IPv6, DNS, and more
  • Operating System Support: Works with Android, Linux, and Windows 7/8/10
  • Power Supply: 3.4V ~ 4.2V
  • SIM Card Support: 1.8V / 3.0V

 

Applications

  • IoT Projects: Perfect for Internet of Things applications, providing reliable connectivity.
  • Embedded Systems: Ideal for integration into various embedded systems.
  • Telecommunication Projects: Supports LTE, GSM, and Wi-Fi communication for diverse telecom needs.
  • Remote Monitoring: Enables efficient monitoring of remote systems and devices.
  • Data Transmission: Facilitates seamless and fast data transmission for various applications.
  • Mobile Applications: Suitable for building mobile applications that require stable connectivity.
  • Real-Time Communication: With high-speed LTE data transfer rates, it is well-suited for real-time communication.

 

Specifications for T-Call-A7670E:

  • MCU: ESP32
  • LTE/GSM Chip: A7670E
  • Flash: 4MB
  • PSRAM: 4MB
  • Wireless Connectivity:
    • Wi-Fi: 802.11 b/g/n
    • Bluetooth: v4.2 BR/EDR and BLE
  • Connectivity Protocols: I2C, SPI, UART, SDIO, I2S, CAN
  • SIM Slot: Nano SIM (2G GSM Network)
  • Operating Voltage: 3.4V to 4.2V
  • JST Connector: Supports Li-Po Battery (JST PH 2pin 2.0mm)
  • Power IC: IP5306
  • Size: 24.0mm x 24.0mm x 2.3mm
  • Weight: 14.5g
  • OS Compatibility: Windows, Linux, Android

Specifications for SIM800:

  • GSM/GPRS: SIM800H chip
  • SIM Card Slot: Nano SIM (Supports 2G GSM/GPRS network)
  • Clock Speed: 240 MHz
  • Flash: 4MB / 8MB
  • PSRAM: 8MB
  • Wireless Connectivity:
    • Wi-Fi: 802.11 b/g/n
    • Bluetooth: v4.2 BR/EDR and BLE
  • Power Supply: USB Type-C or Li-Po Battery
  • Serial Chip: CH9102 (for USB to UART)
  • Peripheral Interfaces: I2C, SPI, UART, SDIO, I2S, CAN
  • Button: EN (Enable)
  • Charging IC: IP5306 for efficient power regulation
  • Expandable Features: Supports pin extension for Mic and Speaker (Ships without mic and speaker by default)

Included in the Package

A7670E

  • 1 x T-Call-A7670E board
  • 1 x LTE Antenna
  • 1 x GPS Antenna
  • 2 x 19pin headers

SIM800H

  • 1 X SIM800H
  • 1 X Power Cable(PH 2pin 2.0mm)
  • 1 X SIM Antenna(~7 cm)
  • 2 X Pin

 

This product is designed for global compatibility in regions such as Europe, China, South Korea, and Thailand, supporting multiple LTE bands and GSM frequencies. Whether you are working with Wi-Fi, Bluetooth, or LTE, this board is an ideal choice for high-performance, embedded development.

Reference

For T-Call SIM800

Effective Date: March 27, 2025

At OpenELAB, we are committed to providing accurate product descriptions and delivering high-quality products. If you experience any issues with your purchase, please notify us within 60 days of the shipment date.

  

1. Warranty Disclaimer

Unless explicitly stated in a specific agreement or purchase order, OpenELAB makes no warranties—express or implied—regarding the fitness, suitability, or merchantability of any product for a particular purpose or special use.

  

2. Warranty Policy

Warranty Period

The standard warranty period for products sold by OpenELAB is 12 months from the date of delivery.

Under this warranty, OpenELAB will make a reasonable effort to repair or replace products free of charge if defects are due to issues with raw materials, design, or manufacturing.

If the defect qualifies under this policy but falls outside the covered scope, reasonable charges may apply for repair or replacement.

After the warranty period, support may still be available at a reasonable fee.

  

Warranty Exclusions

The warranty does not apply in the following cases:

  • The product is beyond the 12-month warranty period.
  • Damage due to misuse, improper maintenance or storage, or failure to follow the user guide or manual.
  • Issues caused by Force Majeure events (e.g., natural disasters, war, legal changes, etc.).
  • Unauthorized repair attempts by the customer.
  • The product is not defective but has been opened and is non-returnable by policy.

   

3. Returns & Refunds

If you're not satisfied with your purchase, you may be eligible for a return or exchange:

  • Return for Refund: Within 15 days of receipt (unopened).
  • Return for Replacement: Within 30 days of receipt (damaged or defective).
  • Exchange Window: Up to 30 days from receipt.

Please email us at info@openelab.io for a return authorization before sending anything back.

  

Return Conditions

  • Items must be in original, clean, and mint condition with packaging intact.
  • Returns of damaged, used, scratched, modified, or programmed items will not be accepted.
  • Include the receipt, a brief note with your name, order number, and reason for return.

  

Shipping & Fees

  • Customers are responsible for return shipping to our warehouses in Europe, the US, or China.
  • Refunds may be subject to additional shipping fees unless the return is due to our error.
  • A flat €8 shipping fee will be deducted for returned items that originally qualified for free shipping.

   

Payment Platform Fees

For refunds processed through third-party platforms such as PayPal or Braintree, a standard 3.5% service fee may be deducted to cover payment processing costs.

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