LILYGO T-Call A7670 4G 2G ESP32 Development Board A7670E LTE GSM Cellular Network ESP32-WROVER-E WiFi Bluetooth
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LILYGO T-Call A7670 is a compact ESP32 development board designed for cellular IoT and remote data projects. At its core is the ESP32-WROVER-E, running at 240MHz, with 4MB Flash and 8MB PSRAM. The board features the A7670E module, giving you both 4G LTE Cat-1 and 2G GSM connectivity for reliable data transmission in a wide range of regions.
This board supports WiFi 802.11 b/g/n and Bluetooth v4.2 for flexible wireless communication. You also get GPS for accurate location tracking, making it ideal for asset tracking, fleet management, and smart city deployments. The built-in SIM slot, LTE and GPS antennas, and compact form factor make it easy to integrate into any project.
Peripheral support includes I2C, SPI, UART, SDIO, I2S, CAN, and more. The board works from 3.4V to 4.2V, supports nano SIM cards, and is compatible with Arduino. It’s a solid choice for engineers, students, and makers who need a reliable platform for mobile, IoT, or industrial applications.
- ESP32-WROVER-E, 240MHz, 4MB Flash, 8MB PSRAM
- A7670E LTE Cat-1 and 2G GSM module
- WiFi, Bluetooth 4.2, GPS
- SIM slot, LTE and GPS antennas included
- Peripheral interfaces: I2C, SPI, UART, SDIO, I2S, CAN
- Supply voltage: 3.4–4.2V
- Compact and easy to integrate
Where It Excels
- IoT nodes with cellular backup
- GPS tracking and fleet management
- Remote data logging and smart city
- Mobile and industrial automation
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