Reference: RBD-2946
Tuya 7in1 WiFi Air Quality Monitor - Laser PM2.5, CO2, TVOC, HCHO, AQI
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The LILYGO T-Call A7670E 4G/2G ESP32 Development Board is a powerful and flexible platform designed for IoT, automation, and remote communication applications. Powered by the ESP32-WROVER-E microcontroller, it combines Wi-Fi and Bluetooth 4.2 connectivity with the A7670E LTE/GSM module for reliable cellular communication. Running at a 240MHz dual-core frequency, it provides excellent processing capability for embedded and networking tasks. With 4MB Flash and 8MB PSRAM, it supports multitasking and data-intensive applications. The board supports a wide range of communication protocols including TCP/IP, FTP, HTTP, HTTPS, and more—making it ideal for remote telemetry, smart devices, and IoT edge computing. Compatible with Windows, Linux, and Android systems, and certified with CE, RoHS, and REACH, the T-Call A7670E is a professional-grade solution for connected projects that require both wireless and cellular communication. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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ESP32-WROVER-E MCU: Dual-core 240MHz processor for high-performance tasks.
4G/2G Cellular Connectivity: Integrated A7670E module for LTE and GSM networks.
Wi-Fi + Bluetooth Support: Supports Wi-Fi 802.11 b/g/n and Bluetooth 4.2 BR/EDR & BLE.
Large Memory: 4MB Flash and 8MB PSRAM for demanding IoT applications.
Multi-Interface Support: Includes I2C, SPI, UART, I2S, SDIO, and CAN interfaces.
Protocol Compatibility: Supports HTTP, HTTPS, FTP, FTPS, and DNS for IoT communications.
Cross-Platform Development: Works with Windows, Linux, and Android OS.
Industrial-Grade Reliability: Certified with CE, RoHS, and REACH standards.
Compact Design: 24×24×2.3mm form factor suitable for embedded systems.
Ideal for IoT Solutions: Perfect for remote monitoring, smart devices, and telemetry projects.
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IoT and Smart Devices: Combine Wi-Fi and LTE for advanced smart home solutions.
Remote Monitoring Systems: Deploy in agriculture, logistics, or environment tracking.
Industrial Automation: Enable real-time control and reporting in connected systems.
Vehicle Tracking and Telemetry: Integrate LTE and GPS modules for mobility projects.
Edge Computing and AIoT Projects: Use as a compact, low-power data-processing node.
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| General Specifications | |
| Model | LILYGO T-Call A7670E |
| MCU | ESP32-WROVER-E |
| CPU Frequency | 240MHz Dual-Core |
| Flash Memory | 4MB |
| PSRAM | 8MB |
| Cellular Module | A7670E (4G LTE / 2G GSM) |
| Wireless Connectivity | Wi-Fi 802.11 b/g/n, Bluetooth 4.2 (BR/EDR + BLE) |
| Interfaces | I2C, SPI, UART, SDIO, I2S, CAN |
| Supported Protocols | TCP/IP, FTP, FTPS, HTTP, HTTPS, DNS |
| Operating System Compatibility | Windows 7/8/10, Linux, Android |
| Certifications | CE, RoHS, REACH |
| Power Supply | Standard ESP32 Power Input |
| Dimensions | 24 × 24 × 2.3 mm |
| Applications | IoT, embedded systems, remote monitoring |
| Shipment Weight | 0.0345 kg |
| Shipment Dimensions | 10 × 10 × 6 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x LILYGO T-Call A7670E 4G/2G ESP32 Development Board
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