> By remote is meant only a few feet. How does it enforce that? Is it just based on signal strength? > The intended user can switch off or unplug the load in

> By remote is meant only a few feet. How does it enforce that? Is it just based on signal strength? > The intended user can switch off or unplug the load in person then operate the meter. This is just the wrong way to think about it. The "intended user" is all nice, but what can an attacker do? That is how these problems need to be analysed.