R303-E4 -4G LTE CAT.4 WiFi Mini USB Chocolate Dongle
4G LTE Cat4 High-Speed Connectivity
Supports FDD/TDD modes with download speeds up to 150 Mbps, providing high-performance wireless data transmission.
Compact and Portable Design
Mini “chocolate bar” size (50.8 mm × 33.8 mm × 11.3 mm) for portability and quick installation.
USB Type-C Plug-and-Play
Equipped with USB Type-C interface for quick, driver-free setup.
SoftAP Wi-Fi Hotspot Function
Enables Wi-Fi hotspot mode, supporting up to two client devices simultaneously.
Cross-Platform Compatibility
Works with Windows, Linux, Android, HarmonyOS, and macOS.
Integrated Nano SIM Slot and Internal Antenna
Includes internal antenna and nano SIM slot for stable network access.
LED Status Indicators
Provides visual feedback on power, connection, and operational status.
Low Voltage and Power-Efficient Operation
Runs on 4.5–5.5V DC (typical 5V), optimized for low-power scenarios.
Wide Industrial and IoT Use Cases
Perfect for industrial control, IoT devices, healthcare equipment, industrial PCs, and routers.
Ideal Application
Suited for high-speed mobile work, remote diagnostics, and IoT communication in compact form factors.