The Huawei Smart Dongle WLAN/FE is the connection between the Huawei SUN2000 -M0/-M1/-M2/-M3 inverter and the Internet (via LAN or WLAN) as a plug & play device. With the Huawei Fusion Solar Portal you always have an overview of your systems. Up to 10 Huawei inverters can be connected via a dongle with RS485. The inverter with the dongle takes over the RS485 master
