The Waveshare SIM7600E-H is an industrial-grade 4G LTE USB dongle designed to provide reliable cellular connectivity for computers and embedded systems. It supports LTE downlink speeds up to 150 Mbps and uplink speeds up to 50 Mbps, with compatibility across Windows and Linux operating systems. The device connects directly via USB to PCs, laptops, Raspberry Pi, and industrial computers, enabling quick deployment without complex configuration. Built for stable operation, it also offers UART access for embedded control and integrated GNSS support for positioning applications. It is suitable for IoT gateways, remote monitoring, and mobile data communication systems.