VVM501 – ESP32 4G LTE A7670 MODULE

The VVM501 – ESP32 4G LTE A7670 MODULE combines the high-speed capabilities of the A7670C 4G LTE module by SIMCOM with the versatile ESP32-WROOM-32 development board. Designed for seamless wireless communication, this module enables faster data speeds compared to traditional 3G and 2G networks while improving network reliability. It supports advanced protocols like MQTT, HTTP, HTTPS, FTP, FTPS, SMS, and calls, making it ideal for IoT, telematics, industrial automation, and surveillance applications.

A7670C’s preconfigured MQTT AT commands simplify IoT communication, enabling devices to send and receive data efficiently without requiring a dedicated connection. By leveraging the latest 4G LTE technology, this module ensures optimal performance, whether for legacy device upgrades or new-age IoT deployments.

Features:

• Combines SIMCOM A7670C 4G LTE module with ESP32-WROOM-32 development board.
• Achieves faster data speeds and improved reliability over 3G/2G networks.
• Preconfigured MQTT AT commands for seamless IoT communication.
• Supports multiple network protocols: HTTP, HTTPS, FTP, FTPS, MQTT, SMS, and calls.
• Automatic fallback to 2G/EDGE in the absence of LTE.
• Indian 4G network compatibility
• Compact design with on-board USB, SIM card, antenna, and PCB connectors.
• Powered via USB Type-C connector with 5V/2A input.
• On-board fuse protection, transient voltage suppression, and EMI shielding.
• Flexible antenna options: FPC or rubber duck antennas with up to 3.5dBi gain.
• ESP32 Dual-core LX6 32-bit microprocessor (240MHz) with 4MB Flash and 520KB SRAM.
• Communication Interfaces: Wi-Fi, Bluetooth, BLE, 15 ADC channels, 25 GPIOs, 3 SPI, 2 UART, 1 I2C, 2 DAC, and 25 PWM outputs.
• Supports applications ranging from low-power IoT devices to high-demand tasks like music streaming and voice encoding.

Applications:

• IoT solutions and smart devices.
• Telematics and vehicle tracking.
• Industrial automation and remote diagnostics.
• Surveillance systems and security devices.
• PoS terminals and payment gateways.