Huawei Smart Dongle 4G (model SDongleB‑06) is a plug‑and‑play, USB-connected LTE gateway that enables wireless communication for solar installations. It supports up to 10 inverters or devices, creating a local Wi-Fi hotspotfor system monitoring and maintenance via FusionSolar or third-party platform. The dongle is compatible with a broad range of Huawei SUN2000 inverters, including models from 2 kW up to 100 kW, such as KTL-L1, LC0, MAP0, MB0, M5, and M3 series.
