To be fair it makes sense that it works as intended: that specific frequency is used in home chargers and Superchargers to avoid the hassle of opening the charg

To be fair it makes sense that it works as intended: that specific frequency is used in home chargers and Superchargers to avoid the hassle of opening the charging port via the app / the car. The only difference with your own transmitter is that you can open the charging port from further away - which is just fun as you can eventually use a screwdriver to do the same