The LILYGO T-A7670E/G/SA R2 Wireless Module is a high-performance development board that integrates an ESP32 microcontroller with 4G LTE CAT1 cellular connectivity, making it an ideal choice for a wide range of IoT and edge computing applications. Whether you’re building smart meters, remote monitoring systems, or industrial control devices, this module offers the power and flexibility needed for reliable wireless communication and local data processing.
Key Features of the LILYGO T-A7670E/G/SA R2 Wireless Module
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ESP32 MCU: Dual-core processor running at 240MHz, supporting Wi-Fi 802.11 b/g/n and Bluetooth v4.2 BR/EDR + BLE
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4G LTE CAT1 Module: Options include A7670E, A7670G, and A7670SA for regional and global coverage
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Flash & PSRAM: 4MB Flash and 8MB PSRAM for enhanced performance and memory-intensive applications
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Peripheral Interfaces: Includes I2C, SPI, UART, SDIO, I2S, CAN, providing broad compatibility with external devices and sensors
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TF Card Support: Built-in microSD card slot for data logging and storage
LTE/GSM Variant Overview
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A7670SA: Suitable for South America, New Zealand, Australia
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A7670E: Supports Europe, Middle East, South Korea, Thailand
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A7670G: Global support with additional GNSS functionality
Please select the appropriate module variant based on your deployment region and whether GPS functionality is required.
Technology Support [Github]
To check the link below to find more details.
Product Display of the LILYGO T-A7670E/G/SA R2 Wireless Module
Size
Pin Diagram
T-A7670E
 T-A7670G
More DetailsÂ
[Notice: The SIM card is only for photo display, and the SIM card is not included in the shipment.]
Compact and Versatile Hardware
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Form Factor: LCC+LGA, 124Pin
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Dimensions: 24.0 x 24.0 x 2.3 mm
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Designed for embedded system integration in space-constrained environments
Typical Applications of the LILYGO T-A7670E/G/SA R2 Wireless Module
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Industrial IoT and remote monitoring
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GPS tracking and asset management (A7670G version)
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Smart agriculture and environmental sensing
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Smart metering and utility monitoring
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Cellular-connected AIoT projects
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