LilyGO TTGO T-SIM-A7670E R2 ESP32 - ESP32-WROVER - with 18650 battery holder

Item number 58543 Brand LilyGO Model Q334 Share Write a review
LilyGO TTGO T-SIM-A7670E R2 ESP32 - ESP32-WROVER - with 18650 battery holder

Description Links

The LILYGO® TTGO T-SIM-A7670E R2 is a cutting-edge microcontroller based on the ESP32 chip, integrated with a SIM-A7670E Module. This powerful module offers a wide array of wireless communication capabilities including GNSS (GPS), Wi-Fi, Bluetooth, and LTE. This combination unlocks a world of possibilities in wireless communication, making it a tool that's as versatile as it is innovative. Designed for versatility and performance, it's an ideal choice for developers, hobbyists, and professionals alike, inviting them to explore, innovate, and create in the world of wireless technology.

With its USB-C connection for programming and an integrated 18650 battery holder, it's ready to be a part of various projects. Its extensive communication interfaces allow it to connect and control a wide range of peripherals, making it adaptable to many different applications.

In the wireless domain, it's a standout performer, supporting different GNSS systems, Wi-Fi, Bluetooth, and even 2G and 4G LTE CAT 1 telecom networks. This makes it a prime choice for IoT applications and remote data transmission.

Its battery circuit is crafted to support Li-ion and Li-Po batteries, with built-in protections that ensure safe and efficient power management.

Key Features

Power & Electrical Characteristics

  • Supply Voltage: 4.4V to 6V DC
  • IO Pin Voltage: 3.3V
  • Max IO Pin Source Current: 20mA
  • Max IO Pin Sink Current: 28mA
  • Chip Series: ESP32
  • Clock Frequency: 240MHz
  • Cores: 2

Internal Memory

  • SRAM: 520KB
  • PSRAM: 8MB
  • Flash Memory: 4MB
  • EEPROM Type: Emulated

Communication Interfaces

  • Hardware Interfaces: I2C, I2S, SPI, UART, PWM, ADC, DAC, GPIO, USB CDC
  • IO Pins: 24
  • Available Hardware Interfaces: 8 PWM channels, 16 ADC pins, 2 DAC pins, 3 UART interfaces, 2 I2C interfaces, 2 SPI interfaces
  • USB to Serial Converter: CH9102F
  • Supported SD Card Format: Micro SD
  • Supported SIM Card Format: Nano-SIM

Wireless Communication

  • Interfaces: GNSS, Wi-Fi, Bluetooth, Telecom
  • Wi-Fi & Bluetooth Chip: ESP32
  • Wi-Fi Frequency: 2.4GHz
  • Bluetooth Version: 4.2 (LE, Classic)
  • GNSS Chip: A7670E (GPS, Beidou, GLONASS)
  • Max GNSS Accuracy: 2.5m
  • Max GNSS Update Rate: 10Hz
  • Telecom Chip: A7670E (2G, 4G LTE CAT 1)
  • Supported Bands: 900MHz, 1800MHz, B1, B3, B5, B7, B8, B20

Battery Circuit

  • Battery Chip: CN3065
  • Supported Battery Types: Li-ion, Li-Po
  • Max Charging Voltage: 4.2V
  • Max Charging Current: 600mA
  • Protection Features: Overvoltage, Overcurrent, Polarity, Undervoltage
  • Battery Holder: 18650 (Button top, Flat top), 1 battery


  • Power Connectors: JST-PH male, Through hole solder pin(s) (2.54mm), USB-C female
  • IO Connectors: Through hole solder pin(s) (2.54mm), USB-C female
  • Antenna Connectors: Built-in antenna, IPEX/uFL male (Wi-Fi/Bluetooth, GNSS, Telecom)

Package Contents

  • 1x T-SIM-A7670E
  • 1x LTE antenna
  • 1x GPS antenna
  • 1x JST-PH female cable
  • 2x Male pinheader 16p

The LILYGO® TTGO T-SIM-A7670E R2 comes with a USB-C connection for programming (USB-C cable not included) and an integrated 18650 battery holder (battery not included). It's a feature-rich development board that offers a plethora of functionalities, making it suitable for various applications and projects.

See the following page for more information about this product: Github link.


Brand information
Brand LilyGO
Size info
Length111 mm
Width33 mm
Weight28 g
€ 38,95€ 32,20 Excl. VAT (NL)
Out of stock Delivered in 14 to 30 days
Shipped from € 5,95 (NL) 30 days cooling-off Excellent service

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