Hoymiles 2-in-1 microinverter can connect up to 2 panels at once and maximize the PV production of your installation. All of the three models listed are equipped with reactive power control and can meet the requirements of EN 50549-1:2019, VDE-AR-N 4105:2018, UL 1741, etc. They're also designed with external antenna for stronger communication with Hoymiles gateway DTU.