I am interested in installing a Victron NS charging station for electric vehicles. I currently have a Multiplus II 5000/48 inverter, a Smart Solar250/100 MPPT regulator, a Color Control and two Pylontech US 5000 batteries, all powered by an installation of approximately 4 kwp. My question is this, all of this along with the energy meter is on the third floor and the charger would be on the ground floor, what would I need to interconnect? Only Wi-Fi network or do you have to run a cable between them? Thanks in advance for your reply