MUST SOLAR new WIFI PLUG with affordable price.
In 2020, Must developed new WIFI Plug instead of previous WIFI RTU. It works for our PV1800 and PH1800 series MPPT solar inverter with 48V as following:
PV18-3048 VHM, PV18-4048 VHM, PV18-5048 VHM, PV18-5548 VHM
PH18-3048 PLUS, PH18-4048 PLUS, PH18-5048 PLUS, PH18-5548 PLUS
These models inverter can work with WIFI Plug and WIFI RTU.If you still have WIFI RTU.
For more detail of this new WIFI Plug Connection, here is a Guidance Video https://youtu.be/bCEOLQoSR2c