4G LTE CAT4 USB Dongle Module with ESP32 Chip, WiFi, Bluetooth, 18650 Battery Holder & Solar Charge Board
Upgrade your IoT and wireless connectivity projects with this 4G LTE CAT4 USB Dongle Module featuring an ESP32 chip for WiFi and Bluetooth support. Designed for high-speed internet access, this module integrates a 18650 battery holder for portable power and a solar charge board, making it perfect for off-grid applications, remote monitoring, and smart automation. Ideal for DIY electronics, smart devices, and embedded systems, this compact and energy-efficient module ensures reliable connectivity and power management for diverse applications.
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